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3 years ago

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A chemist isolates a substance, made of two nonmetals, that is a gas at room temperature. the substance most likely is _____. a

molecular compound a noble gas a mixture of the two nonmetals an ionic compound description

1 answer:

serg [7]3 years ago

5 0

The substance is most likely a molecular compound

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For a different reaction, the plot of the reciprocal of concentration versus time in seconds was linear with a slope of 0.056 M-

Bond [772]

Answer:

$C_t=0.165M$

Explanation:

From the question we are told that:

Slope $K=0.056 M-1 s -1$

initial Concentration $C_1=2.2M$

Time $t=100$

Generally the equation for Raw law is mathematically given by

$\frac{1}{C}_t=kt+\frac{1}{C}_0$

$\frac{1}{C}_t=0.056*100+\frac{1}{2.2}_0$

$C_t=0.165M$

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What is the number of elements in 2Ca(OH)2

dem82 [27]

Answer:
3 elements
Calcium,oxygen and hydrogen

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2 years ago

Acids are described as corrosive because they a. turn litmus blue. b. taste bitter. c. “eat away” at other materials. d. feel sl

Masteriza [31]

Answer:

C

Explanation:

acids are corrosive since they tend to destroy every single thing they do get a big example is the acidic rain which tends to corrode iron sheet thus making them to appear worn out and full of rust

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3 years ago

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I need help ASAP!!!!! What happens to water when it changes to ice?

Gre4nikov [31]

- It's density increases

- mass increases

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Hope this helps!

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3 years ago

Read 2 more answers

liq [111]

Answer:

The ones with 8 protons

Explanation:

Since there are two of them with 8 protons, we can assume they are the same element. The first 8 proton element has 10 neutrons while the second has 11. This makes them isotopes of one another

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3 years ago