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LenaWriter [7]
3 years ago
8

C1 Progress quiz: Atomic structure 2 - test

Chemistry
1 answer:
myrzilka [38]3 years ago
5 0

Answer:

0.11 nm

Explanation:

1.1 x 10-10 m

The goal is to convert the atomic radius from meters (m) to nanometres (nm). We do this by multiplying the value by 10^9.

This is given as;

1.1 * 10^{-10}  * 10^{9}\\1.1 * 10^{-10 + 9}\\1.1 * 10^{-1}\\0.11

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Identify the solute and solvent in each solution:
PolarNik [594]

Answer:

a. 6mL of ethanol and 35mL of water: the solute is ethanol (smallest volume) and the solvent is water (greater volume).

b. 300 g of water containing 8g of NaHCO3: the solute is NaHCO3 (smallest mass) and the solvent is water (greater mass).

c. 0.005L of CO2 and 2L of O2: the solute is CO2 (smallest volume) and the solvent is O2 (greater volume).

Explanation:

Hello there!

In this case, according to the given problem, it turns out possible for us to solve these questions by bearing to mind the fact that in a solution, we can find two substances, solute and solvent, whereas the former is in a smaller proportion in comparison to the latter; in such a way, we infer the following:

a. 6mL of ethanol and 35mL of water: the solute is ethanol (smallest volume) and the solvent is water (greater volume).

b. 300 g of water containing 8g of NaHCO3: the solute is NaHCO3 (smallest mass) and the solvent is water (greater mass).

c. 0.005L of CO2 and 2L of O2: the solute is CO2 (smallest volume) and the solvent is O2 (greater volume).

Regards!

4 0
3 years ago
Which scientist was the first to practice the scientific method we use today
bixtya [17]

Answer:

Aristotle

Explanation:

6 0
3 years ago
Which of the following elements has the highest first ionization energy?
Aleks04 [339]

Answer:

B. Beryllium

Explanation:

because the  trend of ionization is going up a group it increases, as going across a period it deceases. beryllium being closes to the hist point in the periodic table it has the highest ionization energy. hope this helps.  

4 0
3 years ago
Read 2 more answers
Mass is:
amm1812
Measured in kilograms
3 0
4 years ago
A. Identify the steps of the scientific method?
Greeley [361]

Answer:

1, experimentary

2, high potassium

3, testes

4, consistent

5, wi-fi

6, yes, it's not good enough

7, possibility

8, because it's not effective

Explanation:

thanks me later

6 0
3 years ago
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