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Novosadov [1.4K]
4 years ago
10

Identify the type of reaction. Complete the equations with the correct reactants then balance each equation.

Chemistry
1 answer:
tester [92]4 years ago
4 0

Answer:

The answer to your question is below

Explanation:

I attached a picture because it says that I was writing improper words.

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How do you find the number of moles of copper in copper gluconate? In my experiment I used 1.4 g of copper gluconate, and ended
Kipish [7]

<u>Answer:</u> 0.0016 moles of copper are present in copper gluconate

<u>Explanation:</u>

The number of moles is defined as the ratio of the mass of a substance to its molar mass.

The equation used is:

\text{Number of moles}=\frac{\text{Given mass}}{\text{Molar mass}} ......(1)

Given mass of copper = 0.1 g

Molar mass of copper = 63.55 g/mol

Plugging values in equation 1:

\text{Moles of copper}=\frac{0.1g}{63.55g/mol}=0.0016 mol

Hence, 0.0016 moles of copper are present in copper gluconate

7 0
3 years ago
Please help me! This is too hard!?
Annette [7]

Answer: 59.24 atm

Explanation:

Given that:

Original Volume of gas V1 = 2.7L

Temperature T1 = 42.7°C

Convert Celsius to Kelvin

(42.7°C + 273 = 315.7K)

Pressure P1 = 684.9 torr

Final Volume V2 = 0.14 L

Final temperature T2 = 803.1°C

Convert Celsius to Kelvin

(803.1°C + 273 = 1076.1K)

Final pressure = ?

Then, apply the combined gas equation

(P1V1)/T1 = (P2V2)/T2

(684.9 torr x 2.7L)/315.7K = (P2 x 0.14L)/1076.1K

1849.23/315.7 = 0.14P2/1076.1

Then, cross multiply

1849.23 x 1076.1 = 315.7 x 0.14P2

1989956.403 = 44.198P2

Divide both sides by 44.198

1989956.403/44.198 = 44.198P2/44.198

45023.67 torr = P2

Now, convert the pressure in torr to atmosphere

If 760 torr = 1 atm

45023.67 torr = Z atm

Then, cross multiply

760 torr x Z = 45023.67 torr x 1 atm

Z = 45023.67 torr / 760 torr

Z = 59.24 atm

Thus, the new pressure of the gas will be 59.24 atm

5 0
4 years ago
What are the advantages of having only one SI unit for pressure?
Vanyuwa [196]
<span>www.science.uwaterloo.ca/~cchieh/cact/c120/siunits.html</span>
8 0
3 years ago
Biểu thức định luật Raoul là?
Dennis_Churaev [7]

Answer: Định luật Raoult là một định luật hóa học vật lý, với ý nghĩa trong nhiệt động lực học. Được thành lập bởi nhà hóa học người Pháp François-Marie Raoult vào năm 1887, nó nói rằng áp suất một phần của mỗi thành phần của một hỗn hợp chất lỏng lý tưởng bằng với áp suất hơi của thành phần tinh khiết nhân với phần nốt ruồi của nó trong hỗn hợp. Kết quả là, việc giảm áp suất hơi tương đối của dung dịch pha loãng của chất tan không lây bằng với phần nốt ruồi của chất tan trong dung dịch.

Explanation: hope this helps :)

5 0
3 years ago
What best describes a mixture?
VashaNatasha [74]

Answer:

A mixture is a combination of two or more substances in which the identities of substances are retained.

Explanation:

sorry if i'm wrong

4 0
3 years ago
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