3 years ago

The "particles" of a gas are actually protons or electrons. true or false

Chemistry

1 answer:

Andrew [12]3 years ago

7 0

False.

Hope this helps, Good luck on the assignment.

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What existed before the universe

marusya05 [52]

Technically speaking absolutely nothing but from a religious standpoint God did

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3 years ago

Light travels at a rate of 3.00 x 10^8 m/s. It takes light 8.30 min to travel from the surface of the sun to the earth. What is

bija089 [108]

Answer: The distance of the earth from the sun is $1.494\times 10^{11}m$

Explanation:

Speed of light = $3.00\times 10 ^8 m/s$

Time taken to travel from sun to earth = 8.30 mins = $8.3\times 60=498sec$ (1min=60 s)

As we know ; Speed is defined as the distance travelled per unit time.

$Distance=speed\times time$

Hence distance between sun and earth = $3.00\times 10^8m/s\times 498s=1.494\times 10^{11}m$

Thus the distance of the earth from the sun is $1.494\times 10^{11}m$

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3 years ago

- How many moles of S2 are needed to produce 1.50 moles of SO2 gas? S2 + 20, ----> 2802

matrenka [14]

Answer:

0.75 moles

Explanation:

S2 + 2O2 = 2SO2

From the reaction above,

We see that number of moles attached to S2 is 1 and number of moles attached to SO2 is 2.

Since we want to find how many moles of S2 are needed to produce 1.50 moles of SO2 gas

The answer is gotten by proportion;

Number of moles = 1/2 × 1.5 = 0.75 moles

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3 years ago

If one jellybean weighs 0.350g how many jelly beans are in 504g of jellybeans?

allsm [11]

Answer:

1440g

Explanation:

Divide 504g by 0.350g

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3 years ago

When a substance is added to water, bubbles form. How can you confirm the type of change that took place?

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A
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3 years ago