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Chemistry

1 answer:

beks73 [17]2 years ago

6 0

C.Wave A will have a louder sound than wave B

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How many mL are in 7.3 dL?

Arte-miy333 [17]

Answer:

730 mL which is .73 L

Explanation:

8 0

2 years ago

In the presence of an emulsifying agent, a mixture of oil and water becomes a _____.

Paladinen [302]

In the presence of an emulsifying agent, a mixture of oil and water becomes a colloidal dispersion.
Colloidal dispersion otherwise colloid is a system, in which discrete particles, droplets or bubbles of a dispersed phase (in this case oil), whose size at least in one dimension is in the range from 1 to 1000 nm are distributed in the other, usually continuous phase - dispersion medium (in this case water) differing from the dispersed phase in composition or state of aggregation.

8 0

2 years ago

What is the molarity of a solution containing 8.0 moles of solute in 120mL of solution?

Nataliya [291]

Answer:
200/3 M which is approximately equal to 66.6667 M

Explanation:
Molarity is defined as the number of moles of solute per liter of solution.

It can be calculated as follows:
$molarity = \frac{number of moles of solute}{liters of solution}$

We are given that:
number of moles of solute = 8 moles
volume of solution = 120 ml = 0.12 liters

Substitute with the givens in the above equation to get the molarity as follows:
molarity = $\frac{8}{0.12} = \frac{200}{3} = 66.6667 M$

Hope this helps :)

3 0

2 years ago

What is the mass of 0.28 mol of iron

maria [59]

Mass = number of mol x molar mass
Mass = 0.28mol x 55.8g/mol
Mass = 15.624g

5 0

2 years ago

Read 2 more answers

Which atom has only one pair of electrons in its outermost energy level?

inysia [295]

Answer:

i belive A, i cold be wrong tho, pls tell me if im right if you fully find out