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lozanna [386]
3 years ago
9

Identify these reactions

Chemistry
1 answer:
olga2289 [7]3 years ago
8 0

Answer:

NaNO" (and any subsequent words) was ignored because we limit queries to 32 words.

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Pepsi [2]
I think the answer would be b because your throat is reacting to the cough?
6 0
3 years ago
Which of the following statements is true?
seropon [69]
Answer: option <span>D Chemical reaction rates vary with the conditions of the reaction, but nuclear decay rates do not.

Justification:

1) The rate of chemical reactions are affected by: concentration of the reactants, state of the reactants, temperature, and presence of catalizers. So the first part of the statement is true.

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5 0
3 years ago
What mass of KNO, will dissolve in 100 g of water at 100°C?
Sphinxa [80]

Answer:

About 170-180 grams of potassium nitrate are completely dissolved in 100 g.

Explanation:

Hello!

In this case, according to the reported solubility data for potassium nitrate at different temperatures on the attached picture, it is possible to bear out that about 170-180 grams of potassium nitrate are completely dissolved in 100 g; considering that the solubility is the maximum amount of a solute that can be dissolved in a solvent, in this case water.

Best regards!

3 0
3 years ago
In the Periodic Table, what is the relationship between two elements that are placed side-by-side in a row?
marusya05 [52]
Answer is D. The periodic table rows are arranged by increasing atomic number. The atomic number is decided by how many protons they have.
5 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 21 torr at 39.9 degrees C.
Elan Coil [88]

Answer:

Explanation:

Given the details, we can say that

Pure methanol is a volatile solvent as the vapour pressure has a high value. This means that methanol - methanol intermolecular forces are weak in comparisson to water - water forces. When having about 30% of water in a methanol mixture, the mixture Pv decreased, showing that it is not a volatile mixture, so then there are strong intermolecular interactions between methanol - water, part of it due to the hydrogen bonds.

8 0
3 years ago
Read 2 more answers
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