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hoa [83]
2 years ago
13

The boiling point of a solution with a non-volatile solute is higher than that of the pure solvent . True or false

Chemistry
1 answer:
RUDIKE [14]2 years ago
6 0
True because
 it is
.......
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So, a gas, and an
valina [46]

Answer:

d) cut the large sized Cu solid into smaller sized pieces

Explanation:

The aim of the question is to select the right condition for that would increases the rate of the reaction.

a) use a large sized piece of the solid Cu

This option is wrong. Reducing the surface area decreases the reaction rate.

b) lower the initial temperature below 25 °C for the liquid reactant, HNO3

Hugher temperatures leads to faster reactions hence this option is wrong.

c) use a 0.5 M HNO3 instead of 2.0 M HNO3

Higher concentration leads to increased rate of reaction. Hence this option is wrong.

d) cut the large sized Cu solid into smaller sized pieces

This leads to an increased surface area of the reactants, which leads to an increased rate of the reaction. This is the correct option.

5 0
3 years ago
How many protons neutrons and electrons does nitrogen 14 have?
vazorg [7]
Many nitrogen atoms have seven neutrons<span> (14-7 = 7). Some atoms of nitrogen, however, have eight electrons. They are atoms of N-15, an isotope of nitrogen. In a neutral atom, the number of protons must equal the number of electrons.</span>
5 0
2 years ago
When is it necessary for a scientists to do research?
MAXImum [283]
I would say A and D. A is right for sure, as for D, I'm not so sure. Hope this helps!
5 0
3 years ago
Read 2 more answers
What element has a total of 3 p-sublevel electrons?
den301095 [7]

Elements with three p-electrons....


That would be N, P, As, Sb, and Bi -- elements in group 15


For example, energy diagram showing "empty" orbitals up through the 3p.

.....3p __ __ __

3s __

.....2p __ __ __

2s __

1s __


Energy diagram of phosphorous showing three unpaired electrons in 3p-sublevel

.....3p ↑_ ↑_ ↑_

3s ↑↓

.....2p ↑↓ ↑↓ ↑↓

2s ↑↓

1s ↑↓


According to Hund's rule, the electrons singly occupy the p-orbitals, and all have the same spin.

8 0
2 years ago
Where does the force that helps sediment become sedimentary rock come from?
Sidana [21]

Answer:

I think it's compaction I'm not sure

5 0
2 years ago
Read 2 more answers
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