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IceJOKER [234]
4 years ago
6

Over the past Century how much has California's climate warmed​

Chemistry
1 answer:
Vaselesa [24]4 years ago
5 0

Answer: About three degrees in the last century And all of the states are becoming warmer. California is also Less rain falling As well.

Explanation:

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What is the name of the compound with the formula crso4?
ludmilkaskok [199]
<span>Chromium(II) sulfate

this is an ionic compound of a metal and a polyatomic ion.
chromium is a metal that can form more than one type of cation. In this case, the polyatomic ion name is sulfate and it has 2 negative charges. Then Cr has to have 2 positive charges.

then write the name of the metal followed by the charge of the ion between parenthesis and in roman numbers followed by the name of the polyatomic ion.</span>
3 0
4 years ago
Ethyl alcohol evaporates faster then water, why?​
nadezda [96]

Explanation:

as alcohol evaporates at much faster rate compared with water due to its lower boiling temperature (82 compared to 100 degree Celsius), it is able to carry away more heat from the skin. this means for a given amount of time much more alcohol evaporates than water.

hope it helps you

8 0
3 years ago
A solution of methanol and water has a mole fraction of water of 0.312 and a total vapor pressure of 211 torr at 39.9∘C. The vap
DaniilM [7]

Answer : This is not an ideal mixture.

Explanation :

Using Raoult's law :

P_{Mixture}=p_{CH_3OH}+p_{H_2O}\\\\P_{Mixture}=x_{CH_3OH}\times p^o_{CH_3OH}+x_{H_2O}\times p^o_{H_2O}

where,

P_{Mixture} = total vapor pressure of mixture

p^o_{CH_3OH} = vapor pressure of pure methanol = 256 torr

p^o_{H_2O} = vapor pressure of pure water = 55.3 torr

x_{H_2O} = mole fraction of water = 0.312  

x_{CH_3OH} = mole fraction of methanol = 1 - 0.312 = 0.688

Now put all the given values in the above formula, we get:

P_{Mixture}=x_{CH_3OH}\times p^o_{CH_3OH}+x_{H_2O}\times p^o_{H_2O}

P_{Mixture}=0.688\times 256torr+0.312\times 55.3torr

P_{Mixture}=193.4torr

From this we conclude that the total vapor pressure of mixture is less than the total given vapor pressure of 211 torr. That means, the interactions between the methanol and water would be weaker than those between the individual substances. So, this is not an ideal mixture.

Hence, this is not an ideal mixture.

3 0
3 years ago
Which of the following statements about neutrons is true
Setler [38]

The answer is A: neutrons help make an atom more stable.

Neutrons do not have a charge, and they weigh about the same as a proton. Neutrons make an atom more stable because they hold the protons together. Without neutrons, the protons would separate from each other.

The answer is A: neutrons help make an atom more stable.

4 0
4 years ago
What are some gases that dissolve in water?
maksim [4K]

Explanation:

The main gases dissolved in purified water are oxygen and nitrogen, carbon dioxide, plus traces of inert gases, all in equilibrium with ambient air.

5 0
3 years ago
Read 2 more answers
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