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creativ13 [48]
3 years ago
12

If matter is uniform throughout, cannot be separated into other substances by physical processes, but can be decomposed into oth

er substances by chemical processes, it is ________.
A) heterogeneous mixture
B) element
C) homogeneous mixture
D) compound
E) mixture of elements
Chemistry
1 answer:
olga nikolaevna [1]3 years ago
6 0
D. because matter is uniform through and cannot be separated into other substances by physical means.
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guapka [62]

Answer:

B. The products are nuclei of elements that are different from the original elements.

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2 years ago
What is the difference in mean solar time between 30 N 75 W and 30 N 90 W​
ratelena [41]

Answer:

Every 15 degrees is an hour

Explanation:

What is the time difference in mean solar time between 30° N 75° W and 30° N 90° W?

5 0
3 years ago
10. Carbon tetrachloride has a density of 1.60 g/mL. What is the volume of 40 grams of CCl4?
ikadub [295]

Answer:

The answer is

<h2>25 mL</h2>

Explanation:

The volume of a substance when given the density and mass can be found by using the formula

volume =  \frac{mass}{density}

From the question

mass of CCl4 = 40g

Density = 1.6 g/mL

The volume is

volume =  \frac{40}{1.6}

We have the final answer as

<h3>25 mL</h3>

Hope this helps you

5 0
3 years ago
Consider the reaction below. At 500 K, the reaction is at equilibrium with the following concentrations. [PCI5]= 0.0095 M [PCI3]
Dmitriy789 [7]

Answer: The equilibrium constant for the given reaction is 0.0421.

Explanation:

PCl_5\rightleftharpoons PCl_3+Cl_2

Concentration of [PCl_5] =  0.0095 M

Concentration of [PCl_3] =  0.020 M

Concentration of [Cl_2] =  0.020 M

The expression of the equilibrium constant is given as:

K_c=\frac{[PCl_3][Cl_2]}{[PCl_5]}=\frac{0.020 M\times 0.020 M}{0.0095 M}

K_c=0.0421 (An equilibrium constant is an unit less constant)

The equilibrium constant for the given reaction is 0.0421.

6 0
4 years ago
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How does a magnet separate mixtures like sand and iron filings?​
algol13

Answer:

because iron is magnetic and sand is not

Explanation:

6 0
3 years ago
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