Answer:
Natural passive immunity
Explanation:
Breatsfeeding is natural....
antibodies passes from the parent to the infant...
The infant gets nutrition in which later antibodies will be formed by the nutrients..
Name the compound
i: (CH3)2CHCOOH
Answer:
methylpropanoic is your answer
albr3 + cl = alci3 + br2. what type of reaction is that? and what are the coefficient numbers?
Which of the molecules below is propyne? two carbons are double bonded to each other; the pair is single bonded to h above left, below left, and below right, and to c h 3 above right. two carbons are double bonded to each other; the pair is single bonded to c h 3 above left and right, and to h below left and right. an h is single bonded to c, which is triple bonded to another c, which in turn is single bonded to a c with h above and below and yet another c to the right; the final c is bonded to h above, below, and right. an h is single bonded to c, which is triple bonded to another c, which in turn is single bonded to a c which is bonded to h above, below, and right.
Propyne is is composed of only hydrogen and carbon. It is a hydrocarbon molecule.
What is propyneThe molecule propyne is hydrocarbon. This means that it is composed of only hydrogen and carbon. The molecule contains three carbon atoms and four hydrogen atoms as shown.
The structral formula that corretly reperesents the molecule called propyne is shown in the image attaced to this answer.
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Answer:
C.
Explanation:
Which is not a property of bases Group of answer choices react with metals to produce hydrogen gas react with acids to form a salt and water bitter taste slippery feel
Answer:
react with metals to produce hydrogen gas
Explanation:
NaOH is a common base and is a strong base. Look what happens with it reacts with a metal:
OH- (aq) + Li(s) --> LiOH. It forms a salt not H2
(I removed spectator ions)
What is the molarity of HCl found in a titration where 30 mL of HCl is titrated with 15 mL of 0.1 M NaOH
The molarity of HCl is found in a titration where 30 mL of HCl is titrated with 15 mL of 0.1 M NaOH is 0.05 M.
What is molarity?Molarity is the measure of the concentration of any solute per unit volume of the solution.
The reaction is [tex]\rm NaOH(aq)+HCl(aq) \rightarrow H2O(l)+NaCl(aq)[/tex]
The ratio is 1:1
Step1- to calculate the equal moles of HCl
[tex]\dfrac{0.1\;mol\;NaOH}{ L} \times 15\;ml = 1.5\; mmol[/tex]
Step2: Calculate the molar concentration
[tex]\dfrac{1.5 \; m mols\;HCl}{ 30\;ml\;HCl} = 0.05 \;M \;HCl[/tex]
Thus, the molarity of HCl is 0.05 M.
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What dissolved solid has the highest concentration in the ocean? sodium chloride
sulfur
calcium
magnesium
Answer:
chloride and sodium.
Explanation:
These two make up over 90% of all dissolved ions in seawater.
mark me brainliest
Answer:
sodium chloride
Explanation:
Are all the atoms in the same plane for cyclohexanone.
Answer:
the atoms in cyclohexanone are not in the same
Explanation:
but they are in a benzene ring! Cyclohexane has only sigma bonded carbons with bonds that stick out of the plane
A 2.3 L gas bubble at STP is heated to 984 K, and the pressure increases to 1520 mmHg. What is the new volume?
The new volume of the gas bubble as its temperature is heated to the given value and pressure increased is 4.14L.
Combined gas law
Combined gas law put together both Boyle's Law, Charles's Law, and Gay-Lussac's Law. It states that "the ratio of the product of volume and pressure and the absolute temperature of a gas is equal to a constant.
It is expressed as;
P₁V₁/T₁ = P₂V₂/T₂
Given the data in the question;
Initial volume of the gas V₁ = 2.3Lat STP
Initial pressure P₁ = 1.0atmInitial temperature T₁ = 273.15KFinal temperature T₂ = 984KFinal pressure P₂ = 1520mmHg = 2.0atmFinal volume V₂ = ?To calculate the new volume the gas, we subtsitute our given values into the expression above.
P₁V₁/T₁ = P₂V₂/T₂
P₁V₁T₂ = P₂V₂T₁
V₂ = P₁V₁T₂ / P₂T₁
V₂ = ( 1.0atm × 2.3L × 984K ) / ( 2.0atm × 273.15K )
V₂ = 2263.2LatmK / 546.3atmK
V₂ = 4.14L
Therefore, the new volume of the gas bubble as its temperature is heated to the given value and pressure increased is 4.14L.
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Most individuals have been vaccinated for measles. Those who have not been vaccinated are typically protected by
herd immunity.
genetic variation.
artificial passive immunity.
natural active immunity.
Answer:
artificial passive immunity
Water is able to act as an acid in some reactions.
T/F
Answer:
True.
Explanation:
Water can act as a base or an acid. This means it is amphiprotic.
A nearly complete skeleton, ____ is a classic example of a Neanderthal with many defining Neanderthal characteristics. Group of answer choices Taung Child La Ferrassie 1 Piltdown Man KNM-ER 1805
Answer: La Ferrassie 1
Explanation: La Ferrassie 1, often referred to as LF1, is a male Neanderthal skeleton estimated to be 70–50,000 years old. It was discovered at the La Ferrassie site in France by Louis Capitan and Denis Peyrony in 1909. The skull is the most complete Neanderthal skull ever found.
If you had a 4.0M and a 0.4M solution of nitric acid, which would have a lower pH? Why?
Answer:
the second one would have lower
Explanation:
because of the amount
pH is the measure of the negative log of the hydrogen ion concentration. The 0.4 M nitric acid will have lower pH.
What is pH?pH is the concentration of the hydronium or the hydrogen ion in the water that gives the account to the basic and acidic nature of the substance.
pH is dependent on the concentration of the substance as the increased concentration increases the pH while the lower concentration lowers the pH.
Therefore, 0.4 M will have a lower concentration.
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MnO4- is a tetrahedral complex that is intensely purple. How many d orbital electrons does this complex have
A complex is a compound that is composed of a central metal atom/ion and then ligands. MnO4- is a d^0 specie hence it has no d electron.
What is a complex?A complex is a compound that is composed of a central metal atom/ion and then ligands. These ligands may lead to the color of the complex. However, the color of complexes more commonly result from the d-orbital transition in the metal atom/ion.
Now we know that the neutral electron configuration of Mn is [Ar]. 3d5. 4s2. It then follows that MnO4- is a d^0 specie hence it has no d electron.
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11. (15 pts) Predict the products of the following DISPLACEMENT REACTIONS. Balance the
equation for any reactions that occur and include states of matter. If no precipitation reaction
occurs, write "No reaction." Write the complete reaction in the space below.
a. (6 pts) ZnSO, (aq) + BaCh (aq) ›
b. (9 pts) Write the balanced equation for the reaction between aqueous solutions of lithium
carbonate and cobalt(Il) acetate.
The displacement reactions produces insoluble precipitates of barium sulfate and cobalt carbonate retrospectively.
What are displacement reactions?Displacement reactions are reactions in which an atom of an element or radical removes and replaces another arim or radical in a substance.
The displacement reaction between zinc sulfate and barium chloride is given below:
[tex]ZnSO_4(aq) + BaCl_2(aq) \rightarrow ZnCl_2(aq) + BaSO_4(s) \\ [/tex]
The balanced equation for the displacement reaction between aqueous solutions of lithium carbonate and cobalt(Il) acetate is given below as follows:
[tex]Li_2CO_3(aq) + Co(C_2H_3O_2)_2(aq) \rightarrow 2C_2H_3LiO_2(aq) + CoCO_3(s) \\ [/tex]
Therefore, the displacement reactions produces insoluble precipitates of barium sulfate and cobalt carbonate retrospectively.
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What's the relationship between trait, gene, protein, and phenotype?
Which metal will produce h2 gas when added to a solution containing a strong acid?.
The metals will produces hydrogen gas when added to solution containing a strong acid are aluminum, magnesium and zinc, etc.
What is single displacement reaction?Those reactions in which displacement of only one element will done by another element for the formation of product takes place will known as single displacement reaction.
Metals have the propeties to react with acids and will produce hydrogen gas, so those metals which are more reactive than hydrogen atoms and are present above the hydrogen atom in the electrochemical series will displace hydrogen from acids and produces hydrogen gas. Some of them are aluminum, magnesium, zinc, etc.
Hence metals are aluminum, magnesium and zinc, etc are the metals.
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When they survive,
organisms are more likely
to be able to reproduce
and pass on their genetic
information to their
Which part of experimental design is most important to a scientist when replicating an experiment?.
Answer:
A split-plot design lets us replicate our treatments twice using only 24 runs in a single time period, hence it is the most efficient use of resource.
Explanation:
hope this helps
Which animal feels no pain when they are exposed to acid?.
Researchers have found out why the African nak.ed mole-rat, one of the world's most unusual mammals, feels no pain when exposed to acid. The animals have an altered ion channel in their pain receptors that is inactivated by acid and makes the animals insensitive to this type of pain.
hope it helps...!!!
What is specific heat capacity?
Answer:
The energy needed to change the temp of a substance
Explanation:
A student looking for an element that will bond with sodium (Na) knows that table salt is a compound of sodium and chlorine (Cl). Based on this information, which of the following elements would most likely bond with sodium?
Based on the information on the student looking for an element that will bond with sodium, the element that will likely bond with sodium is bromine.
How do elements bond?Elements bond with one another in a chemical manner to form compounds, which cannot be broken down into their constituent elements without being destroyed.
According to this question, a student is looking for an element that will bond with sodium (Na) with the knowledge that table salt is a compound of sodium and chlorine (Cl).
This suggests that an element that will likely bond with sodium must be in the same group with chlorine because they will possess the same chemical properties.
Therefore, based on this information, the element that will likely bond with sodium is bromine.
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One important drawback of the use of hcfcs as a replacement for cfcs is that hcfcs.
One important drawback of the use of hcfcs as a replacement for cfcs is that hcfcs are more potent greenhouse gases.
What is hcfcs?HCFCs is an acronym for hydrochlorofluorocarbons (HCFCs).
Thye are fully or partly halogenated hydrocarbons that contain carbon (C), hydrogen (H), chlorine (Cl), derived from alkane family.
What is cfcs?CFCs is an acronym for Chlorofluorocarbons (CFCs), derived from alkane family like hydrochlorofluorocarbons.
Disadvantage of hcfcs over cfcsOne important drawback of the use of hcfcs as a replacement for cfcs is that hcfcs are more potent greenhouse gases.
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What is the name of this molecule?
H
O A. Propene
• B. Butene
C. Butane
D. Propane
Answer:
it D. the answer is propane. hope this helps you
What is the predicted product for the reaction shown?.
Hello, Miko here to help!
Answer: Often times it is possible due to previous data. Trends appear and you can make deductions from such trends. Reactions may not happen at all. There may be deviations from the trends as well. The deviations may be for unknown reasons or there may be unproven theories that are included in textbooks. Inorganic chemistry reactions are not as clear-cut as organic chemistry reactions. You don't have to memorize all the reactions. Know the trends, conduct the experiment, and if your prediction fails, try to think hard about the conditions in which the experiment took place. Sometimes the explanation may lay in the container that you used for the reaction, or it may be stoichiometry.
As in all sciences, you need experiments.
Explanation: I hope this helps have a great day!
Given the reaction:
4 HCl(aq) + MnO2(s) MnCl2(aq) + 2 H2O() + Cl2(g)
The manganese is
A) reduced and its oxidation number changes from +4 to +2
B) reduced and its oxidation number changes from +2 to +4
C) oxidized and its oxidation number changes from +4 to +2
D) oxidized and its oxidation number changes from +2 to +4
Redox is the oxidation-reduction reaction that includes the gain and loss of electrons. The oxidation of the manganese changes from +4 to +2 and gets reduced.
What are oxidation and reduction?In a redox reaction, the electrons are gained and lost by the chemical species. In oxidation, the electrons are lost by the species to another, while in reduction the electrons are gained by the species.
When the electrons are lost by the species their oxidation number gets increased, whereas when the species gains electrons their oxidation state decreases.
The oxidation number of manganese oxide and manganese(II) chloride is calculated as:
[tex]\begin{aligned}\rm Mn^{x}O_{2}^{2-}: \rm x -4 &= 0\\\\&= +4\end{aligned}[/tex]
and,
[tex]\begin{aligned}\rm Mn^{x}Cl^{2-}: x -2 &= 0\\\\&= +2\end{aligned}[/tex]
Therefore, the manganese is option A. reduced, and the oxidation number changes from +4 to +2.
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Which electrode gets heavier in an electrolytic cell?
OA. The electrode where reduction occurs
OB. The electrode that is donating electrons
C. The electrode with the higher reductive potential
OD. The electrode that is being oxidized
Answer:
The answer is the cathode. This electrode would get heavier in an electrolyte cell. This electrode would have the conventional current leaving then a polarize electrical device. A conventional current would be the one describing the direction where the electronic charges move.
Explanation:
aka... The electrode where reduction occurs.
Answer:
a. the electrode where reduction occurs
Explanation:
In calculating a percent yield, you need a theoretical yield. Where does the theoretical yield come from?
Answer: Calculated results
Explanation:
_____ are considered dietary proteins.
A. apples
B. oils
C. eggs
D. potatoes
Answer:
Eggs
Explanation:
Apple = fruit
Oils = fat
Potatoes = Carbs
And eggs are the only proteins
Which statement best describes how light and lenses work together?
Do someone no the answer
Answer:
Answer A
Explanation:
When light enters a lense it bends and changes direction, and then does this again when it leaves. leaving the correct image in the center
Give an example of a polymer formed by addition polymerization.
Answer:
During the addition polymerization, all monomers are consumed and no byproducts are formed. Common examples of addition polymerization are polyethylene, polyvinyl chloride (PVC), acrylics, polystyrene, polytetrafluoroethylene, and polyoxymethylene (acetal).
What is meant by addition polymer?
In polymer chemistry, an addition polymer is a polymer that forms by simple linking of monomers without the co-generation of other products. Addition polymerization differs from condensation polymerization, which does co-generate a product, usually water.
Explanation: