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3 years ago

Assume the following is a neutral atom.

Chemistry

1 answer:

Lena [83]3 years ago

4 0

Answer:

2. carbon

Explanation:

carbon should be the answer

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The wax of a burning candle is a fuel that combines with oxygen in the air. As the fuel is consumed, what happens to most of the

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D. It is released as heat and light.

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4 years ago

Read 2 more answers

What’s the answer I don’t know how to do it

Inessa05 [86]

Answer:

3.63m/s²

Explanation:

Given parameters:

Mass of box = 8kg

Net force = 29N

Unknown:

Acceleration of the box = ?

Solution:

To solve this problem, we use Newton's second law of motion which is stated as;

Force = mass x acceleration

Acceleration = $\frac{Force }{mass}$ = $\frac{29}{8}$

Acceleration = 3.63m/s²

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3 years ago

Use VSEPR theory to predict the molecular

sergey [27]

Answer:

1. trigonal-planar

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2 years ago

Calculate the mass (in grams) of methylene bluecrystals that you must weigh in order to make 100.0mL of 1.25 × 10-5mol/L methyle

mario62 [17]

<u>Answer:</u> The mass of methylene blue that must be weighed is $3.99\times 10^{-4}g$

<u>Explanation:</u>

To calculate the mass of solute, we use the equation used to calculate the molarity of solution:

$\text{Molarity of the solution}=\frac{\text{Mass of solute}\times 1000}{\text{Molar mass of solute}\times \text{Volume of solution (in mL)}}$

We are given:

Molarity of solution = $1.25\times 10^{-5}M$

Molar mass of methylene blue = 319.85 g/mol

Volume of solution = 100.0 mL

Putting values in above equation, we get:

$1.25\times 10^{-5}M=\frac{\text{Mass of methylene blue}\times 1000}{319.85\times 100.0}\\\\\text{Mass of methylene blue}=\frac{1.25\times 10^{-5}\times 319.85\times 100.0}{1000}=3.99\times 10^{-4}g$

Hence, the mass of methylene blue that must be weighed is $3.99\times 10^{-4}g$

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3 years ago

At its closest approach to the sun, Pluto is less than 30 AU from the sun. Because Pluto is approaching that point now, which pl

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Neptune: its the 8th planet and since Pluto isn't a planet anymore Neptune is the farthest planet from the sun with a distance of around 2.8 billion miles (4.5 billion km) or (30.07 AU)

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3 years ago