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3 years ago

Which of the following would be considered a solution?

Chemistry

1 answer:

Neporo4naja [7]3 years ago

3 0

Answer:

B. sugar added to water

Explanation:

A solution means a mixture where you can only see one "part" with the naked eye (without microscopes and other equipment). In other words, it is homogeneous, which means everything looks the same. The prefix homo- means same.

When you add sugar to water, the sugar will dissolve into the water. Then, you would not be able to see the sugar, only the clear liquid that looks like water, which is only one "part".

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Why would U-238 or Pb-206 be more useful than C-14 when dating rocks?

V125BC [204]

Answer:

Uranium-238 or lead-206 are most often used to date rocks. ... Carbon-14's half-life is much too long to use for dating rocks. C) The half life of carbon-14 is about 5700 years and is too short date rocks. D) Carbon-14 is only found in living things; it can only be used to date remains

Explanation:

hope this helps

3 0

3 years ago

Which of the following characteristics of a watershed would act to reduce erosion?

Talja [164]

A large number of lakes

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3 years ago

PV = nRT. If P = 1 atm, V = 5.0 liter, R = 0.0821 L.atm/mol.K, and T = 293 K; what is the value of n?

Leya [2.2K]

Answer:

n = 0.207 mole

Explanation:

We have,

P = 1 atm

V = 5 liter

R = 0.0821 L.atm/mol.K

T = 293 K

We need to find the value of n. The relation is as follows :

PV = nRT

Solving for n,

$n=\dfrac{PV}{RT}\\\\n=\dfrac{1\times 5}{0.0821 \times 293}\\\\n=0.207\ \text{mol}$

So, the value of n is 0.207 mol.

6 0

3 years ago

I Bleached my white shirt for the first time yesterday. I thought it would get the stain out but it turned the spot yellow. Why?

Alex17521 [72]

Answer:

The base layer of the shirt ( ORIGINAL COLOR) before dyed white was most likely yellow so the bleach lightened the colors to their original form

Explanation:

5 0

4 years ago

What is the function of potassium chlorate (V) powder?

irinina [24]

It is crystalline in nature which is used in explosives,buffers and fertilisers it is also used to treat low blood levels(hypokalemia)

4 0

4 years ago