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velikii [3]
3 years ago
6

Does grass have cells

Chemistry
1 answer:
s344n2d4d5 [400]3 years ago
6 0
YEs grass does have cells because it is still alive
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The process of cellular respiration causes a(n)
Galina-37 [17]
I would say 2 because co2 goes out and o goes in




4 0
1 year ago
Which of these is an example of altering the molecular composition of a substance? Cooking an egg Breaking a glass Crushing a me
erica [24]

Answer:

A

Explanation:

Simply put, one of these is not like the others. The only one involved with changing instead of reshaping is the egg.

7 0
3 years ago
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If the products in a chemical equation include h2o, what specific type of reaction is occuring? Is a polymer being made or broke
anzhelika [568]

There are two kinds of polymers : addition polymers and condensation polymers

In case of addition polymers, there is simple addition of unsaturated monomeric units. example: polythene

While in case of condensation polymers, the monomers combine with the elimination of a small molecule like H2O, HCl, NH3 etc.

So here as there is formation of H2O as product there is formation of a polymer and that too a condensation polymer

Example: condensation polymer of diamine and dicarboxylic acid to form a polyamide (Nylon-6,6)

Answer: condensation

formation of polymer

7 0
3 years ago
Which ones are chemical change help please its a timed test!
leva [86]
I think “A” is the right answer
7 0
3 years ago
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An experiment requires 54.6 g of ethylene glycol, a liquid whose density in SI units is 1114 kg/m3. Rather than weigh the sample
laila [671]
Answer: 49.0 cm^3

Explanation:

1) formula: density = mass / volume

=> volume = mass / density

2) mass (given) = 54.6 g

3) density (given) = 1114 kg / m^3

conversion of units: 1114 kg/ m^3 * 1000 g/kg * 1 m^3 / (1,000,000 cm^3) = 1.114 g/cm^3

4) calculation:

volume = 54.6 g / 1.114 g/cm^3 = 49.0 cm^3
5 0
3 years ago
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