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elena-s [515]
3 years ago
7

Describe the ways you can know that a chemical reaction has occured

Chemistry
1 answer:
solniwko [45]3 years ago
6 0
You can tell that a chemical reaction occurred if there's bubbles, fumes and or evaporation. (:
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How many grams of hno3 would you need to prepare 5.5 l of this solution
k0ka [10]

8305 grams of HNO3 would be needed to prepare 5.5L of a solution. Details on how to calculate mass is found below.

<h3>How to calculate mass?</h3>

The mass of a substance in a solution can be calculated using the following formula:

Density = mass ÷ volume

According to this question, 5.5L of a HNO3 solution is given.

Density of HNO3 is 1.51 g/cm³

Volume of HNO3 = 5500mL

1.51 = mass/5500

mass = 8305g

Therefore, 8305 grams of HNO3 would be needed to prepare 5.5L of a solution.

Learn more about mass at: brainly.com/question/19694949

3 0
1 year ago
All synthetic materials ultimately come from
Leno4ka [110]

Answer:

petroleum, a fossil fuel, is extracted from the earth and mechanically transformed into fibers for clothing.

Explanation:

synthetic materials, like polyester, nylon and acrylic, don't exist naturally but are made in factories. Synthetics are created through an industrial manufacturing process in which

7 0
3 years ago
If you have 5 grams of carbon and 6 grams of hydrogen and you want to make methane, what is reaction limiting?
horsena [70]
Methane's formula is CH4 I don't get the question but if those are the quantities of 1 of those metals, that means that you don't have enough grams of carbon. You will need 5g x 4 = 20grams of carbon.

Hope that's what you were looking for.
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3 years ago
Which of the following influence the pressure of gases? (select ALL that apply)
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Volume
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Type of gas
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Bright headlights show objects how far away
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well according to what i know....headlights only let you see about 350 feet ahead...hope it helps :)

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