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Akimi4 [234]
3 years ago
5

Help question 9 is due today also :)

Chemistry
1 answer:
devlian [24]3 years ago
8 0

Answer:

Car 3 with a net force of 12N

Explanation:

The formula is F=MA

Hope this helps friend

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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:

8 0
3 years ago
Water is Carried to the leaves by stomata
tiny-mole [99]

Answer:

please explain further and i maybe can help you

Explanation:

5 0
3 years ago
The ka of acetic acid ch3co2h is 1.8 x10-5. what is the ph
AysviL [449]
You must know the concentration of the acetic acid. Suppose the concentration is 0.1 M. The solution is as follows:

            CH₃COOH → CH₃COO⁻ + H⁺
 I                  0.1               0              0
C                 -x                +x            +x
E              0.1 - x             x               x

Ka = (x)(x)/(0.1 - x)
1.8×10⁻⁵ = x²/(0.1 - x)
Solving for x,
x = 1.333×10⁻³ = H⁺

pH = -log[H⁺] = -log(1.333×10⁻³)
pH = 2.88

6 0
3 years ago
Cane sugar is being manufactured at the rate of 500 kg/hr from sugar canes that have the following composition (% by weight):
My name is Ann [436]

Answer:

a. 4166,67 b. 74553.0

Explanation:

6 0
3 years ago
Find the mass of 250.00 ml of benzene. The density of benzene is 0.8765 g/ml. (Please show how you got this answer)
Ivenika [448]

Density is Mass per Volume

so

0,8765 g/ml = Mass of Benzene / 250 ml

Mass of Benzene = 219,125 gram

so 250 ml of benzene is equal to 219,125 gram

4 0
3 years ago
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