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Veseljchak [2.6K]
3 years ago
7

Ice will ________ in water. A. float B. sink C. stay the same

Chemistry
2 answers:
mixas84 [53]3 years ago
4 0

Answer:

A. float.

Explanation:

Ice has a lower density than water so it will float.

It is a good job it does, otherwise some oceans would be frozen solid!!

Marizza181 [45]3 years ago
3 0

Answer:

It floats.

Explanation:

Ice would float because it is about 9% less dense than water

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Stels [109]

Answer:

C....................

5 0
3 years ago
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How would you prepare 100 ml of 0.4 M MgSO4 from a stock solution of 2 M MgSO4?
miss Akunina [59]
OK, so to answer this question, you will simply use the molality equation which is as follows:
<span>M1V1 = M2V2 
In the givens you have:
M1 = 2M
V1 is the unknown
M2 = 0.4M
V2 = 100 ml

</span>plug in the givens in the above equation:
<span>2 x V1 = 0.4 x 100 
</span>therefore:
V1 = 20 ml

Based on this: you should take 20 ml of the 2 M solution and make volume exactly 100 ml in a volumetric flask by diluting in water.

7 0
3 years ago
Calculate the number of grams of Hydrogen required to produce 5.73 grams of water. 2H2+O2---&gt;2H2O 2 grams 0.636 grams 1.2 gra
rusak2 [61]

Explanation:

32

2H

2

+O

2

→2H

2

O

Molecular mass of H

2

=2 g/mol

Molecular mass of O

2

=32 g/mol

From the balanced chemical equation,

2×2=4 g of hydrogen requires 32 g of Oxygen to react completely

3 0
3 years ago
Chemistry problem. Is alcohol soluble in water?
stiv31 [10]
Alcohol is completely soluble in water in any amounts. That is because every alcohol contains carbon chain and OH group which are non-polar and polar. Any substances or solutes that will be mixed with the alcohol you will just get a simple solution.
5 0
3 years ago
A drought hits the habitat of a semi-aquatic bird population. All ponds dry up, and fish populations decline. There are two grou
alexandr1967 [171]

Answer:

The population of the long-legged birds decreases.

Explanation:

The population of the short-legged birds increases whereas the population of  long-legged birds decreases due to availability of food in that environment. The long-legged birds feed on fish whose population decreases due to drought conditions so the population of long-legged birds also decreases while on the other hand, the population of short-legged birds increases or remain the same because they feed on the insects and the insects are available in large amount and less affected by the drought conditions.

4 0
3 years ago
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