CHEMISTRY HIGH SCHOOL

The ________ is the balance of the amount of carbon in each reservoir.a. global nitrogen budget
b. global carbon budget
c. global oxygen budget
d. global respiration budget

Answers

Answer 1
Answer:

Answer: Global carbon budget.

Explanation: The global carbon budget can be defined as the budget that balances the fluxes of carbon between the four reservoirs. These four reservoir of carbon are Earth's terrestrial biosphere, hydrosphere, atmosphere and geosphere.

The total amount of carbon on the earth should be maintained so there is a global carbon budget that maintains the amount of carbon on earth.
Answer 2
Answer: the answer is b. global carbon budget

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Explain how human activities are changing the environment globally with serious consequences

Answers

If the world keeps going on how it going all of the polar ice caps will melt leading to a world wide flood.

A molecule has two atoms that are bonded to the central atom and one lone pair of electrons around this central atom. What is the shape of the molecule?bent
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trigonal planar
trigonal pyramidal

Answers

Bent, the lone pair on the central atom push away the other atoms and the most stable configuration of the lone pair and two atoms is trogonal planar. But since you cannot see the lone pair, the shape of the three atoms is bent.

Answer:

bent

Explanation:

What is the volume of solution needed to make a 0.5M solution, using 250g of NaCl

Answers

1 mole of NaCl has (23+35.5)g= 58.5g

Therefore, to  make 1M/L of solution you will need 58.5g Then to make 0.5M/L you will need 58.5/2=29.25g

If to make 1liter of 0.5M one will need 29.25 grams of NaCl, then250g of NaCl will make

(250g×1L)/29.25g= 8.547liters

Hot water ____.a) has a higher pH value than cold water
b) holds less dissolved oxygen than cold water
c) is beneficial to living organisms in aquatic ecosystems
d) contains more hydrogen than cold water

Answers

B because temperature does not affect the pH or the amount of hydrogen. The ratio of hydrogen to oxygen will always be the same. It's B because gas has more kinetic energy at high temperature and will not dissolve in water well. 

Hot water holds less dissolved oxygen than cold water.

An Arrhenius base yields which ion as the only negative ion in an aqueous solution

Answers

The answer is most likely hydroxide.

Why does ionization energy decrease moving down a group in the periodic table?

Answers

Answer:

Electron shielding

Explanation:

Ionization energy decreases moving down a group in the periodic table because of a phenomen known as Electron shielding, in which valence electrons do not interact with the positively charged nucleus as strongly as inner electrons do, because these inner electrons shield the valence electrons. This means it's easier for these valence electrons to leave the atom the more inner electrons are between them and the nucleus, this translates into a decreased ionization energy value.
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