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inysia [295]
3 years ago
8

Describe a composite volcano. Use the following terms in your response: silica-rich, eruption, and crater.

Chemistry
1 answer:
jeka57 [31]3 years ago
8 0

Answer: A composite volcano is the most common type of volcano. They have non-explosion and explosion eruptions. There crater is big, or small. They are also called Stratovolcanoes.

Explanation:

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Write a word equation for 2ZnS(s)+3O2(g) -> 2ZnS(s) + 2SO3(g)
hjlf

2ZnS(s)+3O2(g) -> 2Zns(s) + 2SO3(g)

the above given equation is unbalanced as it contains 4 moles of sulphur in the output but in the input there are only two aoms of sulphur so to balance the equation we will write the equation as given under

balanced equation is

2ZnS(s)+3O2(g) -> 2Zn(s) + 2SO3(g)


In words:

When 2 moles of solid zinc sulfide reacts with 3 moles of oxygen gas gives 2 moles of solid zinc  and 2 moles of sulphur trioxide gas.

3 0
3 years ago
What is the atomic mass for copper?
Lena [83]
The answer is: 63.546
8 0
4 years ago
How can you tell the difference between a mixture and a pure substance
xenn [34]
Mixtures are combinations of materials that can be separated by in most cases time. For instance, oil and water is a mixture. You can tell this by placing the two chemicals in a container and shaking them. They will mix and look like one substance, however, they will separate into the two liquids after some time is given. Assuming that "pure substance" is a solution, a substance is similar to a mixture, but the materials used in the solution are not separable. Over time the materials in the containing will not separate. I believe this is the answer you are looking for. 
8 0
3 years ago
3) How many moles of solute are dissolved in 1.5 L of a 0.80 M solution? * 10 points
Mrrafil [7]

Answer:

1.2

Explanation:

Molarity = moles/volume

to find the moles, you must multiply both sides by volume

so, take 1.5 L * 0.80 M

this equals 1.2 :)

7 0
3 years ago
8. How is acceleration dependent on the speed and direction of an object?
Sphinxa [80]

Answer:

if speed or direction changes then there is a change in velocity which is acceleration. Hope this helps!

Explanation:

3 0
3 years ago
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