3 years ago

What is the difference between a continuous spectrum and a line spectrum? Give a source of each

1 answer:

7 0

Continuous spectrum and line spectrum are two types of spectra; their main difference is that continuous spectrum contains no gaps whereas line spectrum contains many gaps.

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What does calcium carbonate+ hydrolchloric acid =

Monica [59]

Calcium Carbonate is CaCO3
Hydrochloric Acid is HCl

CaCO3 + 2HCl ----> CaCl2 + H2O + CO2

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4 years ago

A guy swam a 50 meter freestyle in 21.93 seconds. How fast is this in miles per hour?

lara [203]

Answer:

<h2>Speed = 5.107 mile/hr</h2>

Explanation:

<h3>Given:</h3>

<u>distance</u> =50m = 0.0311 mile

<u>Time</u>= 21.93 seconds/3600 =0.00609 hour

<u>Speed</u><u>=</u>?

<h3>Speed= Distance / Time </h3><h3> = 0.0311 / 0.00609</h3><h3> = 5.107 mile/hr</h3>

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3 years ago

When the following equation is balanced with the lowest whole number coefficients possible, what is the coefficient in front of

saveliy_v [14]

It's 3. There are two Cl in the reactants and 3 in the products, and they need to be balanced/equal. Only way to do that is add three on the left side, which will give you 6 Cl (3×2Cl) and then 2 on the other side, which will also give you 6 Cl (2×3Cl)

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3 years ago

What is the pressure exerted by 0.500 mold sample of nitrogen in a 10.0 L container at 20 degrees Celsius

Rudik [331]

I feel like I know this but I just can't answer it, sorry

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4 years ago

NaOH

KIM [24]

Answer:

i have no idea and i dont get it

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3 years ago

Read 2 more answers