2 years ago

When would a cell use Active Transport? Mark all that apply.

Chemistry

1 answer:

Westkost [7]2 years ago

4 0

Answer:

a c e

Explanation:

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A gas has an initial volume of 455 mL at 105ºC and a final volume of 235 mL. What is its final temperature in Celsius degrees?

Oksana_A [137]

Hello!

To solve this problem we're going to use the Charles' Law. This Law describes the relationship between Volume and Temperature in an ideal gas. Applying this law we have the following equation:

$\frac{V1}{T1} = \frac{V2}{T2} \\ \\ T2= \frac{V2*T1}{V1}= \frac{235 mL * 105 ^{\circ}C }{455 mL}=54,23 ^{\circ}C$

So, the final temperature is 54,23 °C

Have a nice day!

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Express 749 000 000 in scientific notation,

Dima020 [189]

Answer:

7.49 × 108

Explanation:

Scientific notation is a way to express numbers in a form that makes numbers that are too small or too large more convenient to write. It is commonly used in mathematics, engineering, and science, as it can help simplify arithmetic operations. In scientific notation, numbers are written as a base, b, referred to as the significant, multiplied by 10 raised to an integer exponent, n, which is referred to as the order of magnitude:

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3 years ago

How many protons, neutrons, and electrons are in Ca-44?

Mariulka [41]

Protons = 20
Electron = 20
Neutrons = 20
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3 years ago

What is the mass of a rectangular cube with dimensions of 3 cm x 2 cm x to 10 cm and a density of 10 g/cm^3

marta [7]

d=m/V so m=Vd

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2 years ago

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Which of the following observations is incorrect about the order of a reaction?

user100 [1]

Answer:

a) Order of a reaction is always a whole number

Explanation:

Order of a reaction is not always whole number. It can be zero, or fractional .

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