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3 years ago

If earth is 1.50 x 108 km from the sun, what is the distance in tm?

Chemistry

1 answer:

ycow [4]3 years ago

5 0

THE DISTANCE IN TM SHOULD BE EQUAL TO 162 KM

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Which one would it be since covalent bond is not here :( please help meeee

timurjin [86]

Non polar covalent bond. The Cl's electronegativity is the same since it's the same atom. Therefore, they will be nonpolar

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3 years ago

What are the energy transformations in a fossil fuels power plant?

Oksi-84 [34.3K]

Answer:

In a fossil fuel power plant the chemical energy stored in fossil fuels such as coal, fuel oil, natural gas or oil shale and oxygen of the air is converted successively into thermal energy, mechanical energy and, finally, electrical energy.

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3 years ago

Which is a characteristics of all ions

Sholpan [36]

Answer:

All ions must a overall charge

Explanation:

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3 years ago

For the reaction below, complete the rate expression that relates the change in concentration with respect to time to the rate o

Ann [662]

Answer: Rate in terms of disappearance of $NO$ = $-\frac{1d[NO]}{2dt}$

Rate in terms of disappearance of $Cl_2$ = $-\frac{1d[Cl_2]}{1dt}$

Rate in terms of appearance of $NOCl$ = $\frac{1d[NOCl]}{2dt}$

Explanation:

Rate law says that rate of a reaction is directly proportional to the concentration of the reactants each raised to a stoichiometric coefficient determined experimentally called as order.

$2NO+Cl_2\rightarrow 2NOCl$

The rate in terms of reactants is given as negative as the concentration of reactants is decreasing with time whereas the rate in terms of products is given as positive as the concentration of products is increasing with time.

Rate in terms of disappearance of = $-\frac{1d[NO]}{2dt}$

Rate in terms of disappearance of = $-\frac{1d[Cl_2]}{1dt}$

Rate in terms of appearance of $NOCl$ = $+\frac{1d[NOCl]}{2dt}$

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2 years ago

The smallest unit of a compound is called a ___________.

Oxana [17]

<span>The smallest unit of a compound is called a molecule. The correct option among all the options that are given in the question is the second option or the penultimate option or option "B". The other choices are incorrrect and can be negated. I hope that this is the answer that has actually come to your desired help.</span>

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3 years ago