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3 years ago

13

A balloon filled with 6.0 MLS of air at a pressure of 15 PSI. when placed into a bell jar, the pressure decreased to 2.4 PSI. wh

at would the volume of the balloon be now? temperature remains the same

1 answer:

lyudmila [28]3 years ago

5 0

Answer:

2.6

Explanation:

2.6

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A student is interested in resource recovery through composting. Which field

sdas [7]

I think it’s microbiology, since it would help the student understand the process of composting the best. Botany is plants- not for composting. Geophysics- he’s not researching tectonic plates. Oceanography- he isn’t interested in the marina trench

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3 years ago

A mixture of propane and butane is burned with pure oxygen. The combustion products contain 46.7 mole% H2O. After all the water

wlad13 [49]

Answer:

28%

Explanation:

Basically, all o did was write the equations, balance it and solve for them. Also, at the place I stared, I used simultaneous equation to solve it. Multiplying by 8 and also 3.

It's a pretty straightforward question.

At the final step that's missing, I Did

(y)C3H8 = 2.8 / ( 2.8 + 7.1)

(y)C3H8 = 0.28

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3 years ago

The equation for density, d, is

ss7ja [257]

<u>Answer:</u> The density of substance is $3.38g/cm^3$

<u>Explanation:</u>

To calculate density of a substance, we use the equation:

$\text{Density of substance}=\frac{\text{Mass of substance}}{\text{Volume of substance}}$

We are given:

Mass of substance = 61.6 g

Volume of substance = $18.2cm^3$

Putting values in above equation, we get:

$\text{Density of substance}=\frac{61.6g}{18.2cm^3}\\\\\text{Density of substance}=3.38g/cm^3$

Hence, the density of substance is $3.38g/cm^3$

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3 years ago

The competition between the U.S. and the Soviet Union to get satellites and humans into space was known as the:

Alex787 [66]

Answer: It was known as the SPACE RACE.

Explanation: The space race was a cold war between the Soviet Union (USSR) and the United States (US), to get satellites and humans into space. The competition began in earnest on August 2, 1955, when the Soviet Union responded to the US announcement. On April 12, 1961, the USSR surprised the world again by launching Yuri Gagarin into a single orbit around the Earth in a craft they called Vostok 1.

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3 years ago

Write the complete symbol for a positron

gladu [14]

Answer:

(β⁺), and another one is 01e

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3 years ago