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ArbitrLikvidat [17]
4 years ago
11

What is a chemical change

Chemistry
1 answer:
antiseptic1488 [7]4 years ago
3 0

Answer:

chimical change means when one or more new substances are formed.

Explanation:

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How many electrons in an atom could have n = 2, l = 1, ml = 0?
Ivenika [448]
Since the magnetic quantum number can only go from −l to +l , you'll have these values for ml.
ml=−2,−1,0,+1,+2.
SInce each of these orbitals can hold a maximum of two electrons.
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Jane is sliding down a slide. What kind of motion is she demonstrating?
Marta_Voda [28]
A) Translational motion or the first option would be your answer.
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select the equations that are correctly balanced. h2o 2o2? h2o2 fe2o3 3h2? 2fe 3h2o al 3br2? albr3 caco3? cao co2 can you clarif
natta225 [31]
<span>The choices are as follows:
h2o + 2o2 = h2o2
 fe2o3 + 3h2 = 2fe + 3h2o
al + 3br2 = albr3
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The correct answers would be the second and the last option. The equations that are correctly balanced are:

</span> fe2o3 + 3h2 = 2fe + 3h2o 
caco3 = cao + co2

To balance, it should be that the number of atoms of each element in the reactant and the product side is equal.
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3 years ago
A jockey feeds a carrot to his horse first thing each morning. The horse now "neighs" each morning when it sees the jockey. Neig
irinina [24]

Answer:

B

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3 years ago
A pool is 60.0 m long and 35.0 m wide. How many mL of water are needed to fill the pool to an average depth of 6.35 ft? Enter yo
ra1l [238]

Answer:

4.07 × 10⁹ mL

Explanation:

Step 1: Given data

Length of the pool (L): 60.0 m

Width of the pool (W): 35.0 m

Depth of water in the pool (D): 6.35 ft

Step 2: Convert "D" to m

We will use the relationship 1 m = 3.28 ft

6.35ft \times \frac{1m}{3.28ft} = 1.94m

Step 3: Calculate the volume of water (V)

We will use the following expression.

V = L \times W \times D = 60.0m \times 35.0m \times 1.94 m = 4.07 \times 10^{3} m^{3}

Step 4: Convert "V" to mL

We will use the relationship 1 m³ = 10⁶ mL.

4.07 \times 10^{3} m^{3} \times \frac{10^{6}mL }{1m^{3} } = 4.07 \times 10^{9} mL

7 0
3 years ago
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