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Verdich [7]
3 years ago
11

Can someone please help me ty!!❤️

Chemistry
2 answers:
777dan777 [17]3 years ago
5 0

Answer:

A

Explanation:

Scrat [10]3 years ago
5 0

Answer:

are u tryin to get a bf thats ameture and i got a gf already

Explanation: bruh

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write a balanced chemical reaction when heated aluminium metal react with solid copper oxide produce copper metal and aluminium
prohojiy [21]

Answer:

<h2>2Al + 3CuO ==> 3Cu + Al2O3</h2>

Explanation:

So let's break this chemical equation down into 2 parts - Reactants and Products

Reactants = Al + CuO

Products = Cu + Al2O3

So the Chemical Reaction will be

Al + CuO ==> Cu + Al2O3

So the balanced equation will be,

2Al + 3CuO ==> 3Cu + Al2O3

PLS mark as brainliest

3 0
3 years ago
At a certain temperature and pressure, 0.20 mol of carbon dioxide has a volume of 3.1 L. A 3.1-L sample of hydrogen at the same
Arada [10]

A 3.1 L sample of hydrogen <u>d. contains the same number of molecules</u>

as 3.1 L of carbon dioxide at the same temperature and pressure.

This is the fundamental principle of <em>Avogadro’s hypothesis</em>: equal volume of gases at the same temperature and pressure contain the same number of molecules.

The sample of carbon dioxide has a <em>greater mass</em>, a <em>greater number of atoms</em>, and a <em>greater density</em>, than the sample of hydrogen.  

7 0
3 years ago
Which of the following is not a reason for creating hybrid plants?
Softa [21]
I say C because why would you want a plant to resist something that helps it grow? A, B, and D make sense because those can improve the quality of the plant, but fertilizer can improve plant quality and help it grow. So there is no reason to resist it.
6 0
3 years ago
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Pls help! I'll give brainliest!
I am Lyosha [343]

Answer:

sorry im not sure

Explanation:

a

7 0
3 years ago
BRAINLIEST IF CORRECT
zhannawk [14.2K]

Answer:

1 a person sings into a microphone

2 the sound is converted into an electrical signal

3 the analog signal is converted into a digital signal made of many samples of the digital sound

4 the samples of the sound is converted into 1s and 0s

5 the digital pattern is converted to a medium such as a hard disk or flash drive

Explanation:

5 0
3 years ago
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