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Annette [7]
3 years ago
5

Why do sugar crystals dissolve faster in hot water than in cold water?

Chemistry
2 answers:
BARSIC [14]3 years ago
5 0
The reason why sugar dissolves at afaster rate in hot water has to do with increased molecular motion. The added energy in the hot water causes water molecules to move faster and sucrose molecules to vibrate faster. This added movement tends to make the bonds between sucrose molecules easier to overcome.
Murrr4er [49]3 years ago
3 0
The reason why sugar dissolves<span> at a </span>faster<span> rate in </span>hot water<span> has to </span>do<span> with increased molecular motion The added energy in the </span>hot water<span> causes </span>water <span>molecules to move </span>faster<span> and sucrose molecules to vibrate </span>faster<span>. </span>
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In which type of chemical reaction do two or more reactants combine to form one product, only?
xenn [34]
In decomposition, two or more reactant combine to form one product only.
8 0
3 years ago
For 13 points plz. Plz
Ludmilka [50]

Answer:

Individual versus nature

Explanation:

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4 0
3 years ago
What is the molarity of a solution containing 55.8 g of mgcl2 dissolved in 1.00 l of solution?
MakcuM [25]
The answer is 0.59 M.

Molar mass (Mr) of MgCl₂ is the sum of the molar masses of its elements.
So, from the periodic table:
Mr(Mg) = 24.3 g/l
Mr(Cl) = 35.45 g/l
Mr(MgCl₂) = Mr(Mg) + 2Mr(Cl) = 24.3 + 2 · 35.45 = 24.3 + 70.9 = 95.2 g/l

So, 1 mol has 95.2 g/l.

Our solution contains 55.8g in 1 l  of solution, which is 55.8 g/l

Now, we need to make a proportion:
1 mole has 95.2 g/l, how much moles will have 55.8 g/l:
1 M : 95.2 g/l = x : 55.8 g/l
x = 1 M · 55.8 g/l ÷ 95.2 g/l ≈ 0.59 M
7 0
3 years ago
Read 2 more answers
Which one has a greatest mass, one atom of carbon, one atom of hydrogen, or one atom of litium
SpyIntel [72]
Lithium, it has an atomic number of about 3
5 0
3 years ago
Does anybody know the answer if so explain
a_sh-v [17]

Answer:

synthesis

Explanation:

I believe answer is d a synthesis reaction

5 0
3 years ago
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