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3 years ago

The first stage of a(n) _____________________ is when clouds form; this is the cumulus stage.

Chemistry

1 answer:

alekssr [168]3 years ago

5 0

Answer:

I think it might towering cumulonimbus or cumulonimbus

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You find a geode while hiking. You place it on a scale and find it has a mass of 62 g.

dexar [7]

Answer:

Explanation:

I think that's it.. hope I helped you

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3 years ago

Four students all do the same experiment for the science fair. They test reaction times for pushing a button when a specific col

emmasim [6.3K]

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3 years ago

If 5.0 liters H2 (g) at STP is heated to a temperature of 985, pressure remaining constant, the new volume of the gas will be?

vlada-n [284]

Answer:

$V_2=18 \ L \ H_2$

General Formulas and Concepts:

Chemistry - Gas Laws

STP (Standard Conditions for Temperature and Pressure) = 22.4 L per mole at 1 atm, 273 K
Charles' Law: $\frac{V_1}{T_1} =\frac{V_2}{T_2}$

Explanation:

Step 1: Define

Initial Volume: 5.0 L H₂ gas

Initial Temp: 273 K

Final Temp: 985 K

Final Volume: ?

Step 2: Solve for new volume

Substitute: $\frac{5 \ L \ H_2}{273 \ K} =\frac{x \ L \ H_2}{985 \ K}$
Cross-multiply: $(5 \ L \ H_2)(985 \ K) = (x \ L \ H_2)(273 \ K)$
Multiply: $4925 \ L \ H_2 \cdot K = 273x \ L \ H_2 \cdot K$
Isolate x: $18.0403 \ L \ H_2 = x$
Rewrite: $x=18.0403 \ L \ H_2$

Step 3: Check

We are given 2 sig figs as the smallest. Follow sig fig rules and round.

$18.0403 \ L \ H_2 \approx 18 \ L \ H_2$

5 0

3 years ago

What metal will have properties most similar to those of chromium (Cr)? Why?

garri49 [273]

That element is manganese. As they are in same horizontal row (period) and are next to each other. That is why they show same properties.

Hope this helps xox :)

5 0

3 years ago

Help me please thanks

Evgesh-ka [11]

Then answer would be D. Answer D is correct because you would need to use a better solvent to see the ink separate on the chromatography paper. Hope that helps. :)

6 0

3 years ago

The first stage of a(n) _____________________ is when clouds form; this is the cumulus stage.​

The first stage of a(n) _____________________ is when clouds form; this is the cumulus stage.