An increase in blood carbon dioxide content causes hemoglobin to ________. release all bound carbon dioxide molecules bind more oxygen molecules bind more H release more oxygen molecules denature

Answer:

Chocolate chip ice cream is a heterogeneous mixture.

Explanation:

The chocolate is not uniformly mixed with the dough. These all indicate that a chocolate chip cookie is a heterogeneous mixture.

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The mixtures are formed when two or more elements or compounds are mixed without participating in a chemical change. It is not necessary that the substance should mix in a definite ratio to form a mixture. Here chocolate chip ice cream is a heterogeneous mixture.

These are the types of mixtures in which the components are not mixed uniformly and possess a non-uniform composition throughout is defined as the heterogeneous mixture. The components of heterogeneous mixtures can be seen through eyes.

The constituent particles of heterogeneous mixture have different physical properties. The components of this mixture can be separated easily. Here the size of particles are found to be large. Examples are mixture of salt and sugar.

Here the chocolate chip ice cream is a heterogeneous mixture. This a mixture of liquid and finely dispersed solids. So it is a heterogeneous mixture.

Thus chocolate chip ice cream is heterogeneous.

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Answer:

If you want the first option you need 2.5M.

If you want the second, you will end up with 120ml so your starting solution is:

0.5x (120/20) = 3.0M

This assumes that there’s no loss of volume on mixing. To remove that uncertainty, start with the 20ml of acid and add water, mixing, till you get the right volume.

Answer:

The α-ketoglutarate dehydrogenase enzyme is structurally and functionally homologous to the pyruvate dehydrogenase complex.

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Answer:

an acid is a proton (H⁺) donor

Explanation:

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pls nmark brainliest

Answer:

Equal

Explanation:

According to the law of conservation of mass, the mass of the products in a chemical reaction must equal the mass of the reactants.

Answer:

ummm a I guess if I am wrong tell me

The equation C will form a precipitate in the form of calcium carbonate.

This is the formation of an insoluble compound during a chemical reaction.

Ca(NO₃)₂(aq) + K₂CO₃(aq) → CaCO₃(s) + 2KNO₃(l)

The precipitate formed in this chemical reaction is CaCO₃ which is insoluble in water thereby making it the most appropriate choice.

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Answer:

Atoms are single neutral particles. Molecules are neutral particles made of two or more atoms bonded together. An ion is a positively or negatively charged particle.

Answer:

atoms constitute molecules; molecules are formed by the union of 2 or more atoms

Explanation:

Answer:

4%

Explanation:

the answer is 4% , hope this help

There is the change in temperature is the correct answer.

Carbonated beverages are drinks that include carbon dioxide dissolved in water.

It is given as the formation of bubbles and the odour will be concluding with the formation of the new product and thereby a chemical change. Whereas there was no chemical change if the temperature lowers down as the reason stands to be the formation of a mixture.

Hence, there is a change in temperature.

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The molality of the solution and the molar mass of the unknown compound is mathematically given as

Generally, the equation for the Molarity   is mathematically given as

M=dt/Kt

Therefore

M=2.5/1.86

M=1.34

Therefore

M=wt s/Mol of un*1000/gof solvent

mol of un =5*1000/1.34*25

149.25g/mol

In conclusion,  the molar mass of the unknown compound is

149.25g/mol

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Answer:

Hope it helps

Explanation:

1. Phytoplankton is the main source of energy.

2. Algae--> Limpet--> Starfish --> Shark (I am not sure about this answer )

3. Limpets (not sure, sorry) I think there are more than one in this, like Mussel, zooplankton...

4.  Starfish

5. Shark

6. Bacteria

7. No, energy cant be recycled back into the food web.

I tried my best to answer. Hope it will help you.

Answer:

.0172 mole of CO2

Explanation:

PV = nR T      n = number of moles      V = .5 liter

                       R = gas constant = .082057 L atm/(k mole)

                           T needs to be in Kelvin =  C + 273.15

.868  * .5  = n * .082057 * ( 35 + 273.15)

 n = .0172 moles

Gas laws are the relation between pressure, volume, and temperature of the gas. The relation between the pressure and the volume of the gas is given by Boyle's law.

Boyle's law gives the relation between the pressure and the volume of the gas and states that the pressure is in the inverse relationship with the volume of the gas.

When the pressure of the gas is increased the volume of the gas decreases, similarly the decreased pressure of gas results in an increased volume of gas.

Boyle's law is given as,

[tex]\rm V = \rm constant (\dfrac{1}{P})[/tex]

and,

[tex]\rm P_{1}V_{1} = \rm P_{2}V_{2}[/tex]

Boyle's law is only true if the moles of the gas (n) and the temperature (T) of the gaseous system are constant.

Therefore, pressure and volume are in indirect relation and the moles and the temperature are constant in Boyle's law.

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As the water temperature increased, the copper sulfate crystals dissolved faster but there was little change for the powdered form.

Increasing the temperature of a solvent can increase the rate at which a solid dissolves. This is because an increase in temperature causes the solvent molecules to move more rapidly, which in turn increases their kinetic energy and ability to interact with the solute particles.

As a result, the solute particles are more likely to break free from their crystal lattice and become surrounded by the solvent molecules.

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Answer:

A given quantity of solute dissolves faster when it is ground into small particles because more surface area is exposed.

Explanation:

The more surface area of a solute that is exposed, the faster the solute will dissolve. Like sugar for an example, sugar cubes take longer to dissolve as compared to regular ground up sugar.

And I took the test and got this right!

Answer:

1/ 16 th left

Explanation:

40 years is FOUR half lives    1/2 * 1/2 * 1/2 * 1/2 = 1/16  th will left

Answer:

Approximately [tex]3.6 \times 10^{-10}\; {\rm M}[/tex], assuming that the solution is dilute and is at room temperature (such that [tex]K_\text{w} = 10^{-14}[/tex].)

Explanation:

Look up the ion product constant of water:

[tex]K_{\text{w}} \approx 10^{-14}[/tex].

In a dilute solution where water is the solvent, the product of [tex][{\rm {H_{3}O}^{+}}][/tex] and [tex][{\rm {OH}^{-}}][/tex] (concentration of [tex]\rm {H_{3}O}^{+}}[/tex] ions and [tex]{\rm {OH}^{-}}[/tex] ions) is constantly equal to [tex]K_{\text{w}}[/tex]. (The unit of both [tex][{\rm {H_{3}O}^{+}}]\![/tex] and [tex][{\rm {OH}^{-}}]\![/tex] need to be [tex]{\rm M}[/tex].) In other words:

[tex][{\rm {H_{3}O}^{+}}]\, [{\rm {OH}^{-}}] = K_{\text{w}}[/tex].

Rearrange this equation to find [tex][{\rm {OH}^{-}}][/tex] in terms of [tex]K_{\text{w}}[/tex] and [tex][{\rm {H_{3}O}^{+}}][/tex]:

[tex]\begin{aligned}[] [ {\rm OH^{-}} ] &= \frac{K_{\text{w}}}{[{\rm {H_{3}O}^{+}}]} \\ &= \frac{10^{-14}}{2.8 \times 10^{-5}} \\ &\approx 3.6 \times 10^{-10}\end{aligned}[/tex].

The number of carbon atoms present in any compound is equal to seven.

Number of carbon atoms present in any compound will be calculated by using the following equation:

No. of Carbon atoms = Relative intensity of M+1 peak / Natural abundance of C13

Intensity of molecular peak = 34.76%

Intensity of M+1 peak = 2.632%

Relative intensity of M+1 peak = (100/34.76)×2.632 = 7.57%

Given that natural abundance of M+1 = 1.07%

On putting values on above equation, we get

No. of C atoms = 7.57 / 1.07 = 7.07 = 7 (approx)

Hence number of carbon atoms is 7.

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Answer:

See below

Explanation:

Part a)

Ba⁺²

Since it has a positive charge, this means it has lost electrons and that too 2 electrons. It has lost 2 electrons.

Part b)

As⁻³

Since it has a negative charge, it has gained electrons and that too 3 electrons. It has gained 3 electrons.

Part c)

Cu⁺²

It has a positive charge, so it has lost electrons and that too 2 electrons. It has lost 2 electrons.

[tex]\rule[225]{225}{2}[/tex]

Answer:

hcl is a covalent compound

Explanation:

Answer:

Solvation is the interaction of a solvent with the dissolved solute—in the case of water, solvation is often referred to as hydration. Solvent polarity is the most important factor in determining how well it solvates a particular solute.

Explanation:

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Answer:

No

Explanation:

An intermetiate in a chemical reaction is something that is formed and reused in a reaction.

Answer:

151.988 how i don't know

Answer: if the staff at Chernobyl had been better trained.

The Chernobyl series seems to suggest there were a number of ways the explosion could have been prevented. These include if the staff at Chernobyl had been better trained, if the Soviet government had learned from the lessons of the past and if they had not been so averse to spending money.

Answer:

Na - 1 away from neon

Li - 1 away from helium

K - 1 away from argon

Cs - 1 away from xenon

Explanation:

We see this trend as group 1A elements are 1 away from noble gases and hence, have a valency of 1