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seraphim [82]
3 years ago
14

From the table, list the metals in order of least dense to most dense

Chemistry
2 answers:
Alex Ar [27]3 years ago
5 0

Answer:

1. Silver

2. Aluminum

3. Gold

4. Iron

dolphi86 [110]3 years ago
3 0

Answer:

Silver, Aluminium, Gold, Iron

Explanation:

Aluminium = 5 ÷ 10 = 0.5

Iron = 5 ÷ 2.5 = 2

Gold = 5 ÷ 5 = 1

Silver = 5 ÷ 20 = 0.25

If my answer is correct, then please give it the brainliest.

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Which part of a plant cell is responsible for converting light energy into chemical energy?
creativ13 [48]
Chloroplasts is the part of the cell that converts light energy into chemical energy.
4 0
2 years ago
Read 2 more answers
The same heat transfer into identical masses of different substances produces different temperature changes. Calculate the final
myrzilka [38]

Answer: final temperatures will be

a) water 21 C

b) concrete  20.005 C

c) steel   20.008 C

d) mercury  53 C

Explanation:

Change in temp dT = dH / (mass x specific heat)

Specific heat of these materials can be found from many sources:

water = 1 kcal / kg C

concrete = 210 kcal / kg C

steel = 114 kcal / kg C

mercury = 0.03 kcal /kg C

So dT (water) from 1 kcal heat into 1 kg water = 1 kcal / (1 kg x 1 kcal/kg C) = 1 C therefore the final temperature is 20 + 1 = 21 C

But dT (steel) = 1 kcal / (1kg x 114 kcal/kg C) = 0.008 C so the final temperature is 20 + 0.008 = 20.008 C

The results for concrete and mercury are calculated in the same way

7 0
2 years ago
How many moles is 2. 2 grams of CO2?.
lorasvet [3.4K]

The number of moles of carbon dioxide is 0.05 mol.

A molecule of CO2 contains one carbon atom and two oxygen atoms. One mole of CO2 contains one mole of carbon atoms and two moles of oxygen atoms. The mass of one atomic mole of an element equals the atomic mass in grams, and the molecular mass of an element or compound equals the sum of the atomic masses of each type of its constituent atoms.

Therefore, the mass of one mole of a molecule of an element or compound equals its molecular weight in grams. The number of grams in moles depends on the substance you have. To calculate it, find the atomic or molecular mass of the substance and multiply it by the number of moles.

Learn more about Carbon dioxide here:-brainly.com/question/25385913

#SPJ4

6 0
1 year ago
If you react 2.00 g of hydrogen completely using 15.87 g of oxygen to produce water, how much water (in grams) will you have?
leonid [27]

Answer:

The amount (mass) of water we will have is 17.869 grams

Explanation:

The molar mass of hydrogen gas H₂ = 2.016 grams/mole

The molar mass of oxygen gas = 31.999 g/mol

Therefore, 2.00 g of hydrogen will give;

2.00/2.016 = 0.9921 moles of H₂ gas and

15.87 g of O₂ will give;

15.87/31.999 = 0.49595 moles

The reaction is as follows;

2H₂ (g) + O₂ (g) → 2H₂O (l)

Two moles of H₂ react with one mole of O₂ to produce two moles of H₂O

Therefore 0.9921 moles of H₂ will react with 0.9921/2 or 0.49595 moles of O₂ to produce 0.9921 moles of H₂O

From the above we note that all the H₂ and O₂ are completely consumed to form 0.9921 moles of H₂O

Molar mass of H₂O = 18.01528 g/mol

Number of moles = Mass/(Molar mass)

∴ Mass of H₂O = (Molar mass) × (Number of moles)

= 18.01528 g/mol × 0.9921 moles = 17.869 grams

Therefore the amount (mass) of water we will have = 17.869 grams.

8 0
3 years ago
Enter the maximum number of electrons in each type of sublevel (s, p, d, and f, respectively)
Ksivusya [100]
The maximum number of electrons:
- s sublevel: 2 electrons,
- p sublevel: 6 electrons,
- d sublevel: 10 electrons,
- f sublevel : 14 electrons.
7 0
2 years ago
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