3 years ago

Name the following compounds or list their formula

1 answer:

7 0

1) N2O4
2)CO
3) silicon tetrafluoride
4)sulfur dioxide
The “tetra”(meaning 4) and “mono”(meaning 1) are to represent the number of a given element present in the compound ( the prefix system) :)

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Which choice represents a compound?Required to answer. Single choice.

Citrus2011 [14]

Answer:

Explanation:

Elements will only one capital letter, that may/may not have a lower case letter after it. CO has a capital letter followed by another capital, so it's a compound

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3 years ago

At 25°C, gas in a rigid cylinder with a movable piston has a volume of 145 mL and a pressure of 125 kPa. Then the gas is compres

natta225 [31]

Answer:

(4) 230 kPa

Explanation:

The temperature is constant, so the only variables are pressure and volume.

We can use Boyle’s Law.

$p_{1}V_{1} = p_{2}V_{2}$