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laiz [17]
3 years ago
13

Which season will the northern hemisphere experience if the axis of Earth is tilted away from the sun?

Chemistry
2 answers:
pashok25 [27]3 years ago
8 0

the answer would be winter because the north would be facing away from the son therefor making the northern states cold.

NARA [144]3 years ago
8 0

Answer:Winter

Explanation:

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All organic molecules contain carbon and hydrogen. what parts of an organic molecule may contain oxygen, nitrogen, or phosphorus
Minchanka [31]
Answer is: <span>functional groups.
</span>Functional groups<span> are specific </span>groups<span> that are responsible for the characteristic chemical properties of molecule.</span>
<span>Proteins have nitrogen and oxygen in functional group.
Nucleic acids and some lipids have phosphorus in fuctional group.
Carbohydrates have oxygen in functional group for example.</span>
7 0
3 years ago
Read 2 more answers
What mass of hcl gas must be added to 1.00 l of a buffer solution that contains [aceticacid]=2.0m and [acetate]=1.0m in order to
Paraphin [41]
PH of acidic buffer = pKa + log [CH₃COONa - HCl] / [CH₃COOH + HCl]
pKa of CH₃COOH = 4.74
Concentration of acetic acid in buffer = 2.0 M
Concentration of sodium acetate = 1.0 M
Concentration of HCl must add = x
pH = 4.74 + log (1-x) / (2+x) = 4.11
x = concentration of HCl must be added = 0.43 M
number of moles of HCl = M * V = 0.43 * 1 = 0.43 mol
mass of HCl must be added = 0.43 * 36.5 = 15.7 g
 
3 0
3 years ago
If 1 mile = 5,280ft. how many miles are in 11,245ft​
slavikrds [6]
2.13 miles

You can also check it on google
3 0
3 years ago
What is the overall charge of an atom? Explain why
Zepler [3.9K]

Answer:

atoms have no overall charge. this is because they contain equal numbers of positive protons and negative electrons

4 0
2 years ago
Explain why the dissociation of a weak acid can be ignored when calculating the pH of a solution that contains both a weak acid
Sliva [168]

Answer:

The answer is in the explanation.

Explanation:

The dissociation of a weak acid consist in the following equilibrium:

HX ⇄ H⁺ + X⁻

Where Ka is defined as:

Ka =  [H⁺] [X⁻] / [HX]

A strong acid (HY) dissociates completely in water, thus:

HY → H⁺ + Y⁻

As the strong acid produces H⁺, in the equilibrium, the reaction shifts to the left -The undissociated form-, reducing the production of H⁺, allowing ignore the dissociation of the weak acid when calculating the pH.

4 0
2 years ago
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