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Licemer1 [7]
3 years ago
11

A car accelerates away from the starting line at 3.6 m/s2 and has the mass of 2400 kg. What is the net force acting on the vehic

le?
Chemistry
1 answer:
insens350 [35]3 years ago
7 0

Answer:

F = m x a

F = 2400 kg x 3.6 m/s2

F = 8,640 N

Explanation:

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You are asked to go into the lab and prepare an acetic acid - sodium acetate buffer solution with a ph of 4.00  0.02. what mola
Oxana [17]
Hello!

To solve this problem we are going to use the Henderson-Hasselbach equation and clear for the molar ratio. Keep in mind that we need the value for Acetic Acid's pKa, which can be found in tables and is 4,76:

 pH=pKa + log ( \frac{[CH_3COONa]}{[CH_3COOH]} )

\frac{[CH_3COOH]}{[CH_3COONa}= 10^{(pH-pKa)^{-1}}=10^{(4-4,76)^{-1}}=5,75

So, the mole ratio of CH₃COOH to CH₃COONa is 5,75

Have a nice day!

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3 years ago
Question 1 of 10
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Nikitich [7]

Answer:

2.00 M KOH

Explanation:

Divide moles by volume and make sure your volume is in LITERS, not mL.

0.0400 mol KOH / 0.0200 L = 2.00 M KOH

5 0
3 years ago
If complications arise after cataract surgery, the ophthalmologist will use a Nd:YAG laser to perform a posterior capsulotomy. I
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Answer: 1.311 × 10^18 photons are produced in each pulse

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based on the information in the chart, what is the best way to tell samples of tin and aluminum apart? A. test their electrical
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Answer:

Electrical conductivity

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