Few terrestrial animals can survive in the Arctic region. Most of them need a thick coat of fur or fat to survive. Based on this information, which factor seems to primarily affect animals life in this biome?A. Rainfall
B. Salinity
C. Soil depth
D. Sunlight
E. Temperature

Answers

Answer 1

Answer: the answer is Temperature

Answer 2

Answer: it’s e temperature!!!!!!

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A desiccant is another name for a water molecule TRUE FALSE

Answers

Definitely, the answer is false. A desiccant is a substance used in order to absorb moisture in the surroundings. It is a hygroscopic material that removes humidity since humidity will aid in the degradation or destruction of materials which are sensitive to moisture.

Ammonia is produced by the following reaction. 3H2(g) + N2(g) ---> 2NH3(g) When 7.00 g of hydrogen react with 70.0 g of nitrogen, hydrogen is considered the limiting reactant because

Answers

To determine the limiting reactant, we first calculate the number of moles of the reactant.

7.00 g H2 ( 1 mol / 2.02 g ) = 3.47 mol H2
70.00 g N2 ( 1 mol / 28.02 g) = 2.50 mol N2

From the balanced reaction, we see that there is a 3 is to 1 ratio of the reactants. So, for every 3 moles of H2 we need 1 mole of N2. Given the amount of reactant, for 2.50 moles of N2 we need 7.5 moles of H2 which obviously we have a lesser amount. Hydrogen is the limiting reactant.

The correct answer is A

Which statement most accurately describes the behavior of a catalyst? (A) A catalyst increases the ∆G of a reaction and hence the forward rate.
(B) A catalyst reduces the ∆H of a reaction and hence the temperature needed to produce products.
(C) A catalyst reduces the activation energy for a reaction and increases the rate of a reaction.
(D) A catalyst increases the equilibrium constant and final product concentrations

Answers

the a answer to the statement is between B and D

Why is gas production not recognized as nitrate reduction?

Answers

The gas production not recognized as nitrate reduction is because organisms that can ferment also produce gas. Therefore even if gas is produced on the tube, you can't tell if it's by fermentation or by nitrate reduction. I hope the answer helps.

If a catalyst is used in a reaction:a. the energy of activation increases.
b. the reaction rate does not change.
c. the reaction rate increases.
d. the equilibrium shifts.

Answers

the purpose of catalyst is to speed up so it increases the rate of rxn and lower the activation energy

Based on its location in the periodic table, what can most likely be predicted about phosphorus? It has three valence electrons available for bonding. It has three nonbonding electrons. It has five valence electrons available for bonding. It has five nonbonding electrons.

Answers

The answer is "It has five valence electrons available for bonding". An element's group number is equivalent to the number of valence electrons that it has. This means that since phosphorus is found on group number 5, it has 5 valence electrons that participate in bonding. It also means that it needs 3 more electrons to complete its valency.

Answer:

"It has five valence electrons available for bonding".

Explanation:

Other Questions

List the four components of natural gas in order of increasing strength of intermolecular forces.

What is the approximate mass of one mole of oxygen gas (O2)?a. 8 g b. 16 g c. 32 g d. 1.204 × 1024

What is the total number of protons contained in the nucleus of a carbon 14 atom

At what temperature will the following reaction happen spontaneously, given that ΔH=8.91×103J and ΔS= –219.20 J/K? CaSO4(s) + 2HCl(g) → CaCl2(s) + H2SO4(l)A) at 298 K B) at 100 K C) It is spontaneous at any temperature. D) It is not spontaneous at any temperature.