Why is water a very good substance for use in cooling systems of automobiles?

Chemistry

1 answer:

Inessa [10]2 years ago

7 0

It can absorb thermal energy without a large change in temperature.

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Which force causes a wagon to speed up as it rolls down a hill

aleksley [76]

Gravity is the force.

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2 years ago

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mars1129 [50]

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Explain why the reactivity series must be used for single replacement reactions, but not for double replacement.

Anarel [89]

Answer:

Here's what I get

Explanation:

In a single replacement reaction, one element must displace another element from its compound.

Thus, we must consider the reactivity series, because an element lower down in the series cannot replace one that is above it.

In a double replacement reaction, the cations change partners with the anions. All we need consider are the solubilities of the new cation-anion partners.

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2 years ago

the value of kc for the following reaction is 0.630 at 409 K N2O4(g) --> 2NO2(g) if a reaction vessel at that temperature int

stealth61 [152]

Answer: The concentration of nitrogen dioxide at equilibrium is 0.063 M

Explanation:

We are given:

Initial concentration of nitrogen dioxide = 0.0250 M

Initial concentration of dinitrogen tetraoxide = 0.0250 M

For the given chemical equation:

$N_2O_4(g)\rightleftharpoons 2NO_2(g)$