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Alchen [17]
3 years ago
10

Which phrases accurately describe this rock? Check all that apply.

Chemistry
1 answer:
Ksenya-84 [330]3 years ago
8 0

Answer:

This rock, is specifically a rock, a hard rock, a tough rock, a rough rock, a rock that is underground, a rock that is above ground, my rock.

Explanation:

This rock, is specifically a rock, a hard rock, a tough rock, a rough rock, a rock that is underground, a rock that is above ground, my rock.

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Can you help me understand this ? I completely dont understand it ​. i know the tire will burst.
icang [17]

Answer:

There is only one formula to use and we should assume ideal gas. This equation is: PV=nRT. For the following questions manipulate this equation to get the answer.

1. n = PV/RT = (249*1000 Pa)(15.6 L)(1 m^3/1000 L)/(8.314 Pa-m^3/mol-K))(21+273) = 1.59 mol

2. P = nRT/V = (1.59)(8.314)(51+273)/(15.6/1000)(1000) = 274.55 kPa

3. Since the answer in #2 is more than 269 kPa, then the tires will likely burst. 4. Reduce pressure way below the limit 269 kPa.

Explanation:

6 0
4 years ago
Read 2 more answers
How many valence electrons do nitrogen atoms have
julsineya [31]
Five valence electrons for one nitrogen and 10 valence electrons for two nitrogens
4 0
4 years ago
I'm looking at the barometer in my lab as I type this question. It says the pressure is 968 torr. What is this pressure expresse
Ksenya-84 [330]

Answer:

1.27 atm.

Explanation:

The following data were obtained from the question:

Pressure (P) in torr = 968 torr

Pressure (P) in atm =...?

Thus, we can convert from torr to atm by doing the following:

Recall:

760 torr = 1 atm

Therefore,

968 torr = 968/760 = 1.27 atm

Therefore, 968 torr is equivalent to 1.27 atm.

7 0
3 years ago
Evaluate ( a=2 b=3)...3a - 2b =​
skad [1K]

Hey!

---------------------------------------------------

Steps To Solve:

~Substitute

3(2) - 2(3)

~Subtract

6 - 6

~Simplify

0

---------------------------------------------------

Answer:

\Large\boxed{\mathsf{0}}

---------------------------------------------------

Hope This Helped! Good Luck!

4 0
3 years ago
Read 2 more answers
If you have a voltage of 120 volts entering your house and a light bulb with 0.625 amperes flowing through it, how many watts is
Luba_88 [7]

Answer:

75 watts

Explanation:

4 0
3 years ago
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