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seropon [69]
3 years ago
11

Sherry Winters was directed to weigh a 50 g mass on the balance. After diligently

Chemistry
1 answer:
Vera_Pavlovna [14]3 years ago
3 0

Answer:

60 percent of the butt whole

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Convert 400g of phosphoric acid to moles.
Katarina [22]

Answer: 4.08183 or you can round it to 4

Explanation:

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3 years ago
(PLEASE HELP DUE TODAY!) A gas has a volume of 1000.0 mL at a temperature of 20.OK and a pressure of 1.0 atm. What will be the n
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Answer:

4 L or 4000 mL

Explanation:

This question asks for the use of combined gas law:

(P1)(V1) / (T1) = (P2)(V2) / (T2)

...where pressure (P) is in atm, volume (V) is in liters, and temperature (T) is in kelvin.

1000 ml is 1 L, and everything else is already in the right units.

(1 atm)(1 L) / (20 K) = (0.5 atm)(V2) / (40 K)

Just solve the equation for V2, and you get a new volume of 4 liters

(1)(1) / (20) = (.5x) / (40)

1 / 20 = .5x / 40

2 = .5x

x = 4

7 0
2 years ago
Organisms are more closely related to the species that they share the most DNA with
Aleonysh [2.5K]

Answer:

True

Explanation:

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3 years ago
According to the periodic trends,<br><br> Calcium has a greater atomic radius than magnesium
lions [1.4K]
its radius is smaller
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What is the number 0.0062985632 written in scientific notation to three significant figures?
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0.0062985632

6.30 x 10^ -3

( Its 6.29 but if you are rounding to the nearest thousandths then its 6.30 x 10 to the power of -3 since jumped 3 spaces back. Remember that when it starts with a 0 , you are moving to the first digit which in this case is 6)

- you're welcome
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3 years ago
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