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3 years ago

If you have respiratory or heart problems, _____ can make it worse. carbon monoxide oxygen nitrogen sulfur oxide nitrogen oxide

1 answer:

5 0

If you have respiratory or heart problems, carbon monoxide can make it worse. This is because carbon monoxide is soluble in water and our body consists mostly of water. It can be toxic when dissolved in large amounts.

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When a test instrument is calibrated, does its accuracy, precision, or reliability improve?

My name is Ann [436]

The answer is accuracy.

That is when a test instrument is calibrated, its accuracy is improved. That is the result comes more close to what it is.

The other factor will not be improved that is its reliability and precision remains the same.

So the answer is accuracy is improved when a test instrument is calibrated.

8 0

4 years ago

What is the wavelength in meters of a proton (mass = 1.673 x 10-24 g) that has been accelerated to 5% of the speed of light?

Molodets [167]

Explanation:

since it has been accelerated to 5℅ of the sleec of light then

v= 5/100 × (3× 10^8)

after getting velocity you'll substitute the values in the formula

de Broglie wavelength= h/mv

don't forget to change the grams in mass to kg

aorry I don't hav my calc with me

4 0

3 years ago

What kind of intermolecular force is between hydrogen sulfide and hydrogen iodide?

RUDIKE [14]

I will have to go with carbon monoxide

8 0

3 years ago

What volume of carbon dioxide is produced when 0.489 mol of calcium carbonate reacts completely according to the following react

Vilka [71]

Answer:

11.0L of carbon dioxide is produced

Explanation:

Balanced equation: $CaCO_{3}(s)\rightarrow CaO(s)+CO_{2}(g)$

According to balanced equation, 1 mol of $CaCO_{3}$ produces 1 mol of $CO_{2}$

So, 0.489 mol of $CaCO_{3}$ produces 0.489 mol of $CO_{2}$

Let's assume $CO_{2}$ behaves ideally.

So, $P_{CO_{2}}V_{CO_{2}}=n_{CO_{2}}RT$

where P is pressure, V is volume , n is number of moles, R is gas constant and T is temperature in kelvin

Plug-in all the values in the above equation-

$(1atm)\times V_{CO_{2}}=(0.489mol)\times (0.0821L.atm.mol^{-1}.K^{-1})\times (273K)$

or, $V_{CO_{2}}=11.0L$

So, 11.0L of carbon dioxide is produced

4 0

3 years ago

PLEASE HELP!!!!!!!!!!!!!!

Akimi4 [234]

Answser

i didnt do dis my mom has a answer key book

Explanation:

4 0

3 years ago