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Masteriza [31]
3 years ago
11

What volume of 0.5 HCL contains 10 moles of HCL​

Chemistry
2 answers:
boyakko [2]3 years ago
5 0

Answer:

20L

Explanation:

molar concentration = moles of solute ÷ volume of solution

⇒ 0.5 = 10 ÷ volume

⇒ volume = 10 ÷ 0.5 = 20L

Vikki [24]3 years ago
4 0

Answer:

Explanation:

moles = mass/molar mass

10 = mass/(1.016 + 35.453)

10 = mass/ 36.469

36.469 * 10 = mass

3646.9 g = mass

molarity = moles/volume

0.5 = 3646.9/volume

0.0001371 = volume

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marissa [1.9K]

Answer:

2CO 2NO → 2CO2 N2 : Balanced

6CO2 6H2O → C6H12O6 : Unbalanced

H2CO3 → H2O CO2 : Balanced

2Cu O2 → CuO : Unbalanced

Explanation:

1.) 2CO 2NO → 2CO2 N2

2 Carbon 2

4 Oxygen 4

2 Nitrogen 2

The amount of atoms of each element on each side of the equation are the same therefore the equation is balanced.

2.) 6CO2 6H2O → C6H12O6 O2

6 Carbon 6

12 Oxygen 8

12 Hydrogen 12

The amount of oxygen atoms is different on both sides of the equation therefore the equation is not balanced.

3.) H2CO3 → H2O CO2

2 Hydrogen 2

1 Carbon 1

3 Oxygen 3

The amount of atoms of each element is the same on both sides of the equation therefore the equation is balanced.

2Cu O2 → CuO.

2 Cu 2

2 O 1

The amount of oxygen atoms is different on both sides of the equation therefore the equation is not balanced.

4 0
2 years ago
<img src="https://tex.z-dn.net/?f=plz%20%5C%3A%20help%20%20%5C%3A%20me%20%5C%3A%20it%20%5C%3A%20is%20%5C%3A%20due%20%5C%3A%202mo
Sophie [7]

Answer:

hi.

Explanation:

1. B

2. C

3. A

4. B

5.B

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5 0
3 years ago
A student mixed some yellow sulfur powder with some iron filings. She was able to take the iron out of the sulfur by using a mag
Kay [80]

Answer: Chemical change

Explanation:

Physical change is a change in which there is no rearrangement of atoms and thus no new substance is formed. There is only change in physical state of the substance. The change can be reversed using physical methods.

Chemical change is a change in which there is rearrangement of atoms and thus new substance is formed. There may or may not be a change in physical state. The change can only be reversed using chemical methods.

Thus when iron and sulfur are heated in a test tube, the chemical change occurs and thus lead to formation of new substances which could not be separated using magnet.

8 0
3 years ago
Why the recombinant DNA is reintroduced into the bacterium?
Doss [256]
Bacterial cells can pick up the DNA through the process of transformation. Lambda phages are used by eliminating the middle of its liner genome and adding the foreign DNA in the created space. The phage is then introduced into the bacterial cell where it replicated itself via the lysogenic cycle.
8 0
3 years ago
What is the main source of energy in a clear water stream in an open area
solniwko [45]

Answer:

c.sunlight

Explanation:

4 0
3 years ago
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