2 years ago

Which two kinds of information describe weather and not climate?

Chemistry

2 answers:

Fynjy0 [20]2 years ago

5 0

Answer: b & c

Explanation: A-P-E-X

kompoz [17]2 years ago

4 0

Answer: how the air pressure is expect to change tonight AND the temp. for the previous week

Explanation:

a p e x

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Monica [59]

Explanation:

$H _{2}O _{2(aq)} →H _{2}O _{(l)} + O _{2}(g) \\ solution : 2 \: and\: 2$

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2 years ago

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What is the volume if 1.5 mol of gas has a pressure of 700 torr at 15°C?

Tasya [4]

Answer:

V = 38.48 L

Explanation:

Given that,

No. of moles = 1.5 mol

Pressure, P = 700 torr

Temperature, T = 15°C = 288 K

We need to find the volume of the gas. The ideal gas equation is given by :

$PV=nRT\\\\V=\dfrac{nRT}{P}\\\\V=\dfrac{1.5\times 62.36\times 288}{700}\\\\V=38.48\ L$ , R = L.Torr.K⁻¹.mol⁻¹

So, the required volume is equal to 38.48 L.

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2 years ago

Which letter corresponds with the location of f orbitals on the periodic table?

Lerok [7]

Answer:

The correct would be C i think :)

Explanation:

Stay postivie :)

8 0

2 years ago

what is the concentration (in %v/v)) of the following solutions? a. 25 mL of ethanol is diluted to a volume of 150 mL with water

fenix001 [56]

The symbol %v/v means percent by volume. Assuming there is no volume effects when these substances are mixed, we calculate as follows:

% v/v = (25 mL ethanol / 25 mL + 150 mL ) x 100
%v/v = 14.29 mL ethanol / mL solution

Hope this answers the question.

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3 years ago

Explain why fluorine and chlorine are in the same group of the periodic table.

Ivenika [448]

Answer:

They both have 7 electrons in their outer shell

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2 years ago