Which would be most suitable for measuring 2.7 ml of ethanol for addition to a reaction with acidified dichromate?

Answers

Answer 1

Answer:

10 ml of graduated measuring cylinder.

Explanation:

Why because A 10 mili liter of Measuring tool is a useful measuring tool in which various kind of liquid chemicals and other preparations of the same kind are measured.


Related Questions

Chlamydia can increase a woman's risk for developing __________.

Answers

Answer:

cervical cancer :)

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Identify two things that differentiate depression from sadness. (site 1) brainly

Answers

Depression is something that is diagnosed, and more so a longer term. An emotion of sadness can be often, but is not considered a mental illness.

This hybrid uses metric formats to tell a true story.

Answers

Precision is a hybrid element that uses metric formats to tell a true story.

What is a true story?

A true story is also referred to as non-fiction and it can be defined as a literary work (story) that is written to describe and provide information to readers based on facts and reality.

This utimately implies that, a true story (non-fiction) is both informative, true and factual in nature.

In English literature, precision is a hybrid element that uses metric formats to tell a true story.

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What can the reader infer from the following statement? ""so he finally broke. so even dally has a breaking point.""

Answers

Even the toughest people have breaking points. Is this when I saw the name dally, is it talking about the outsiders?

Determine whether the statement is true or false. d dx (tan2(x)) = d dx (sec2(x))

Answers

This statement is true

Places with higher elevations experiences cold climate because the ______________ decreases as the ____________ increases.

Answers

Answer:

Pressure decreases as the height increases.

Explanation:

You created a photo album with transitions and want to send it to friends, but the file size is too large for email. how can you use one command to fix this?

Answers

A command you can use to fix this is to: use the Share feature in Backstage view to create a pdf document and then send it as an attachment.

How to reduce the size of a picture?

In a scenario where you created a photo album with transitions that you wish to send to your friends but you get an error that the file size is too large to be sent via email or other forms of internet transfer.

Thus, a command that you can use to fix this issue is to use the Share feature in Backstage view of your software application to create a pdf document and then send it to your friends as an attachment via email.

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Information collected from online databases is an example of which data

Answers

Answer:

Secondary data is the data that has came from an earlier observation and data is organised. Information collected from online database is an example of secondary data. Primary Data: It is the data that is collected from the population or experiment that is not organised. For example  Height of people in a particular area.

Explanation:

hope this helps

Which type of stoichiometric calculation does not involve the gram formula mass

Answers

A type of stoichiometric calculation that doesn't involve the use of gram formula mass is volume-volume problem.

What is a stoichiometric calculation?

A stoichiometric calculation can be defined as a type of calculation which is typically used to measure the quantitative relationships that exists between two or or more chemical compounds that are undergoing a chemical reaction.

This ultimately implies that, a stoichiometric calculation is generally used to study the quantities of reactants and products of two or or more chemical compounds before, during, and after a chemical reaction.

In this scenario, volume-volume problem is a type of stoichiometric calculation that doesn't involve the use of gram formula mass.

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Consider the following reaction: no(g) + so3(g) ⇌ no2(g) + so2(g) a reaction mixture initially contains 2.0 bar no2 and 1.0 bar so2. determine the equilibrium pressure of so2 if kp for the reaction at this temperature is 0.0118.

Answers

The equilibrium pressure for the sulfur dioxide in the reaction has been 0.0843 bar.

What is equilibrium?

The equilibrium is the condition in which the partial pressure of the product and the reactant molecules is equal.

The ICE table for the partial pressure is attached.

Based on the pressure of equilibrium, the pressure constant is given as:


[tex]k_p=\rm \dfrac{[pNO]\;[pSO_2]}{[pNO][pSO_3]}\\0.0118=\dfrac{a^2}{(0.86-a)^2}\\a=0.0843[/tex]

Thus, the partial pressure of sulfur dioxide at equilibrium is 0.0843 bar.

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One possible reason that the revolutionary-era poets used the

Answers

Answer:

One possible reason that the Revolutionary-era poets used the iambic meter was to imitate the classical style.

Explanation:

As the Revolutionary-era poets were inspired Classical era, they wrote using the iambic meter, which consists on two syllables where the first one was unstressed, and the one following it was stressed.

What context clue best helps readers determine the meaning of the word standard? ""numerous"" ""rigidly fixed"" ""tea-time"" ""subject""

Answers

The context clue which best helps readers to determine the meaning of the word standard is: B. "rigidly fixed"

What is a context clue?

A context clue can be defined as hints that provides the meaning of an unfamiliar word, which is literally hidden in plain sight in a literary work such as a paragraph, essay, articles, or passage.

In this context, "rigidly fixed" is a context clue which best helps readers to determine the meaning of the word standard because it is not dynamic but static.

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Answer:

B. "rigidly fixed"

Explanation:

theres no other option

Jose constructed triangle dce, where m∠d = 103° and m∠c = 22°. remy constructed triangle pqt, where m∠q = 22°, and m∠t = 55°. are the two triangles similar to one another?

Answers

Yes, the two triangles constructed by Jose are similar because two pairs of corresponding angles in the triangles are congruent.

Why are the triangles similar?

This similarity is as a result of the angle by angle similarly theorem

Note that when two pairs of a given corresponding angles are said to be congruent, one can say that the triangles are similar  and this is the case with Jose triangles.

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Choose all of the items that are associated with great society programs

Answers

Answer:

medicare and medicaid

Explanation:

usatestprep

Answer: Medicare, Medicaid, and Head Start

Explanation: I had this question and answered it correctly.

Consider the right triangle.a right triangles with side lengths 28 meters and 45 meters. the hypotenuse is unknown.what is the length of the hypotenusestartroot 53 endrootstartroot 1,241 endroot53 m2809 m

Answers

Answer:

Start by using the formula a^2 + b^2 = c^2.

Explanation:

c^2 is for the hypotenuse, which is c.

a & b are the two side lengths.

Someone who is applying for a loan from a bank can expect the bank to:

Answers

Answer: aceitar o pedido de empréstimo

Explanation:

In which of these areas would you expect to find the largest population of rabbits

Answers

in which of what areas? i’m not seeing where you put any answer choices

At what temperature teq do the forward and reverse corrosion reactions occur in equilibrium?

Answers

Standard Gibb's free energy at 298K and 5975K is 3.16×10⁶J and -3.83×10⁵J respectively, and temperature at equilibrium state is 5362.3 K.

What is the standard Gibb's free energy?

The complete question is in the brainly link at the end. We can say that;

Standard Gibb's free energy of any reaction is gotten from the formula;

∆G° = ∆H° - T∆S°

where;

∆G° is change in free energy

∆H° is change in enthalpy = 3352 kJ = 3352 × 10³J

∆S° is change in entropy = 625.1 J/K

T is absolute temperature = 298 K

Plugging in the relevant values into the gibbs energy equation gives;

∆G° = (3352 × 10³) - (298 × 625.1)

∆G° = 3.16 × 10⁶J

Gibb's free energy at temperature of 5,975 K is;

∆G° = (3,352 × 10³) - (5,975 × 625.1)

∆G° = -3.83 × 10⁵J

At the equilibrium state, the value of Gibb's free energy is zero. Thus we can calculate the temperature as;

0 = (3352 × 10³)J - (T × 625.1 J/K)

Solving for T gives;

T = 5362.3 K

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Acids increase the concentration of hydronium ions in solution by donating hydrogen ions to water molecules. true false

Answers

The statement about Acids increasing the concentration of hydronium ions in solution is; True

What is the concentration of the solution?

In pure water and in neutral solutions, we know that the Hydroxonium ions [H₃O⁺] and Hydroxyl Ions [OH⁻] are equal. Therefore, [H₃O⁺] = [OH⁻] = 1 * 10⁻⁷.

However, that concentration can be altered by the addition of an acid or abase. Thus, If an acid is added to pure water the concentration of hydronium ions in the solution will increase.

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Answer:

True

Explanation:

I took the test and it was right.

What would the population size of sika deer be one year after the carrying capacity increased to 70,000 as a result of deforestation? assume rmax does not change.

Answers

The population size of Sika deer one year after the carrying capacity increased to 70000 as a result of deforestation is; 63667 deer

How to Calculate Growth Rate?

We are given the following about the Sika deer population;

Initial Population in 2005 = 26000

Stabilized Population between 2012 and 2014 = 58000

r_max for population = 0.57

Now, we want to find the population size of Sika deer one year after the carrying capacity increased to 70000 as a result of deforestation

Thus;

carrying capacity; k = 70000

population size; N = 58000

max growth rate; r_max = 0.57

Formula for the growth is;

dN/dt = (r_max × N)[(K - N)/K]

Plugging in the relevant values gives;

dN/dt = 0.57 × 58000[12000/70000]

dN/dt = 5667

Thus;

Increase in population = 5667 + 58000

⇒ 63667

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If the concentration of sn2+ in the cathode compartment is 1.30 m and the cell generates an emf of 0.21 v , what is the concentration of pb2+ in the anode compartment?

Answers

By the use of the Nernst equation, the concentration of the lead solution is 4.8 * 10^-8 M.

What is Nernst equation?

The Nernst equation is the equation that is used to obtain the EMF of a cell under non standard conditions.

Now;

E°cell = -0.01 V

Ecell = 0.21V

[sn2+] = 1.30 M

[pb2+] = ?

From;

Ecell = E°cell  - 0.0592/n logQ

The equation is; Sn^+ + Pb ----> Sn(s) + Pb^2+

0.21 =  -0.01  - 0.0592/2 log(x/1.30 )

0.21 + 0.01 = -0.0592/2 log(x/1.30 )

0.22/-0.0296 =  log(x/1.30 )

-7.43 =  log(x/1.30 )

Antilog(-7.43) = x/1.3

x = 4.8 * 10^-8 M

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The ancestral finch founded a new population on one of the hawaiian islands. due to the , allele frequencies of the first small population on one of the islands could have differed from their continental goldfinch-like ancestors. the process of resulted in adaptation and of the island population into a new over time. some of the birds crossed to some of the other islands where they were and evolved into more species occupying different niches.

Answers

Answer:

The ancestral finch founded a new population on one of the Hawaiian Islands. Due to the

*founder effect

, allele frequencies of the first small population on one of the islands could have differed from their continental goldfinch-like ancestors. The process of

*evolution

resulted in adaptation and

*natural selection

of the island population into a new

*species

over time. Some of the birds crossed to some of the other islands where they were

*geographically isolated

and evolved into more species occupying different niches.

Explanation:

i'm doing the same assignment but i actually know the answer.

Ddt is a synthetic compound commonly used as an insecticide and in the 20th century, was used to control mosquito species that commonly spread diseases like malaria. the data illustrates the percent resistance for three species of mosquitoes over three decades. contrast this data to the steps of natural selection and explain the trend seen here.

Answers

Answer:

D

Explanation:

Who, in the scary fairy tale, will be happy that goldilocks found jack and jill? goldilock's boss their mom the tree bears the vegetables

Answers

Based on the scary fairy tale, Jack and Jill's mom would be the happiest that are children were found by goldilocks.

What is a fairy tale?

A fairy tale is also referred to as a fictional story and it can be defined as an imaginative literary work (story) that is often narrated and shown in a variety of media to children, especially through the use of fanciful, magical, and wondrous characters such as goldilocks, goblins, elves, etc.

Based on the scary fairy tale, Jack and Jill's mom would be the happiest that are children were found by goldilocks because she was really saddened by the news of their disappearance.

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Mom or me can pick you up near the soccer field when you're done. error

Answers

It should be “Mom or I can pick you up near the soccer field when you’re done.”

The negatively charged balloon is brought near the two cans. what happens?

Answers

Answer:

The negatively charged balloon (from rubbing against hair) will repel the electrons of paper/water/aluminum cans away from the spot closest to the balloon, resulting in a positive charge on the paper/water/aluminum can.

Explanation:

41 1 describe two ways how social media platforms are abused

Answers

Answer:

People can spread false information and people can upload explicit, inappropriate pictures.

Explanation:

False information - Sometimes people can abuse social media by spreading rumors about people, or causing mayhem that may not be factually correct. You should look out for this and avoid it by using credible sources and checking the website credentials.

Explicit Images and Videos - People can also abuse social media platforms by posting things that are not fit for the general environment. A good rule is make choices that build others up and support them!

What does the underlined figurative language on page 3 help the reader understand about frost?

Answers

Answer:

frost endured a number of hardships during his lifetime.

Explanation:

I did the thing

Frost faced many challenges throughout his life is the underlined figurative language on page 3 help the reader understand about frost.

What is frost?

Water that has changed from a liquid or gas to a solid is called frost. Typically, frost forms on exterior objects like cars, windows, and plants when there is moist air present. Areas with a lot of fog frequently have heavy frosts. Frost develops when an outside surface cools below the dew point.

Temperatures higher than 32 °F can cause frost to occur. A1: The ice coating that forms on surfaces at or below 32 degrees Fahrenheit is what is referred to as frost. On occasion, frost can develop over night on your grass even though the temperature has not fallen below freezing.

When water vapour from an environment above freezing comes into touch with a solid surface, a thin film of ice called "frost" is created.

Thus, Frost faced many challenges throughout his life.

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Tyler ate a cheeseburger from a fast food restaurant for dinner, and he was awake all night feeling sick. now, just thinking about eating any fast food makes him feel nauseous, and he is certain that he will never want to eat it again. tyler’s aversion to fast food can best be explained by

Answers

Tyler’s aversion to fast food, who feel nauseous just thinking about eating fast food, can best be explained by stimulus generalization.

What is the meaning of the term “stimulus generalization”?

The stimulus generalization is the quality of mind to perform a task in a new condition, in such way that is learned in the similar but different situation happen in the past.

Tyler ate a cheeseburger from a fast food restaurant for dinner, and he was awake all night feeling sick.

Now, just thinking about eating any fast food makes him feel nauseous, and he is certain that he will never want to eat it again.

Let understand why he is feeling nauseous in such condition-

He ate a cheeseburger (type of fast food) in the past.This fast food make him sick.Now his behavior against eating any fast food is changed.He learned that, eating fast food can make him sick.This is a example of stimulus generalization.

Thus, the Tyler’s aversion to fast food, who feel nauseous just thinking about eating fast food can best be explained by stimulus generalization.

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Costs which are always relevant in decision making are those costs which are:

Answers

Answer:

Differential, avoidable, and opportunity

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