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Ivan
2 years ago
10

I need help TnT

Chemistry
2 answers:
Slav-nsk [51]2 years ago
7 0

Explanation:

I don't think human beings will ever extinct

cause they are smart and adaptive

hodyreva [135]2 years ago
5 0
<h3>in MY OPINION</h3>

Q1. I don't know the future but I would say that Humans will not become extinct because of diseases and pandemics.

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How many meters are in a kilometer.
Anika [276]

Answer:

1,000 meters in 1 kilometer

Explanation:

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2 years ago
Bananas Foster is an example of a dessert that is flambéed. A Bananas Foster label states the accepted number of Calories to be
WINSTONCH [101]

Answer:

6.00%

Explanation:

Step 1: Given data

Accepted value for the number of calories in a Bananas Foster: 300 calories

Measured value for the number of calories in a Bananas Foster: 318 calories

Step 2: Calculate the percent error in the measure

We will use the following expression.

%error = |accepted value - experimental value|/ accepted value × 100%

%error = |300 cal - 318 cal|/ 300 cal × 100% = 6.00%

4 0
3 years ago
Which of the following are advantages of the SI system?
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The correct answer is A, B and C
3 0
3 years ago
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What diffuses more quickly: tetracarbon decahydride (C4H10) or iodine (12)? By how much?
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Explanation:

Molar mass of C4H10 = 58.123 g/mole

Molar mass of I2 = 253.808 g/mole

5 0
3 years ago
Select the correct answer. Which statement best describes how chemical equations demonstrate conservation of mass? OA The number
timofeeve [1]

Answer: C. The number of atoms of each element is the same on each side of the equation.

Explanation:

The Law of Conservation of Matter shows that it is not possible for matter to either be created nor for it to be destroyed so the number of atoms of each element on the reactant side of the equation must equal the number of atoms in each element on the product side of the equation.

This is why the following equation is incomplete:

H₂ + O₂ ⇒ H₂O

The oxygen atoms are not the same on either side.

Equation will therefor have to be balanced which will make it:

2H₂ + O₂ ⇒ 2H₂O

Notice now that atoms are the same on both sides.

8 0
2 years ago
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