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Burka [1]
2 years ago
8

L 1.4.2 Quiz: Scientific Practices

Chemistry
1 answer:
9966 [12]2 years ago
5 0

Answer:

O B. Experimental group

Explanation:

An experimental group is a test sample or the group that receives an experimental procedure. This group is exposed to changes in the independent variable being tested.

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if anyone has chemistry on edge and has the analyzing chemical reactions project can i please have your insta? i really need it.
Sedbober [7]

Explanation:

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7 0
3 years ago
What makes an inference different from a quess?
frosja888 [35]

Answer:

Explanation:

Inferences are not based on anything from the text while guesses are made only using the text. Inferences are based on evidence in the text while guesses are not. Inferences are made by only using major details from the text while guesses only use minor details.

3 0
2 years ago
Iron oxide reacts with aluminum to give aluminum oxide and iron. What kind of chemical reaction is this?
Dima020 [189]
FeO + Al -> AlO + Fe 

As you can see, this type of reaction would lead to be a Single Placement (or Replacement) reaction!

Hope this helps! Best wishes!
3 0
3 years ago
Rewrite and Balance the Equation <br> N₂ + H₂ -&gt; NH3
Mars2501 [29]

Answer:N

2

+ 3

H

2

-----> 2N

H

3

Explanation:

N

2

+

H

2

-----> N

H

3

Let us balance this equation by counting the number of atoms on both sides of the arrow.

N

2

+

H

2

-----> N

H

3

N=2 , H=2 N=1, H=3

To balance the number of N atom on Right Hand Side (RHS) , I will add one molecule of N

H

3

on RHS

N

2

+

H

2

-----> 2N

H

3

N=2 , H=2 N=2 , H= 6

To balance the number of H atoms on Left Hand Side (LHS) , I will add two molecules of

H

2

on LHS

N

2

+ 3

H

2

-----> 2N

H

3

N=2 , H=6 N=2 , H= 6

Answer link

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4 0
3 years ago
Read 2 more answers
What is a potential problem with respect to the timing for when a cytotoxic?
Maru [420]
Cytotoxic is a characteristic of a medicine that bears the ability to cure cancer. The timing of the medication is very important because if not used properly, the substance or the drug may damage also even the healthy cells. Thus, it is just right to caution everyone, especially those who are involved, with the right usage of the drug. 
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