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2 years ago

1. In class, students learned that a cart will move when a force of 50 N

1 answer:

4 0

He did not apply the fifty newtons of greater force! Ok it says when it needed to have the greater force of fifty the person only put 10N out of the fifty, and left out 40N, that is why it did not work properly.

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lapo4ka [179]

Answer:

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Explanation:

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3 years ago

Dose your heart muscle get tired? Yes or no.

WARRIOR [948]

Answer:

no 

Explanation:

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2 years ago

2.38g of black copper(iii) oxide is completely reduced to by hydrogen to give copper and water. What are the number of atoms of

OleMash [197]

Explanation:

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2 years ago

A runner competed in a 5-mile run. How many yards did she run?

vfiekz [6]

5 miles are equivalent to 8,800 yards

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3 years ago

100 Points! ALSO WILL MARK BRAINLIST IF 100% CORRECT AND HELPFUL !!

Marrrta [24]

<h3>Answer;</h3>

= 226 Liters of oxygen

<h3>Explanation;</h3>

We use the equation;

LiClO4 (s) → 2O2 (g) + LiCl, to get the moles of oxygen;

Moles of LiClO4;

(500 g LiClO4) / (106.3916 g LiClO4/mol)

= 4.6996 moles

Moles of oxygen;

But, for every 1 mol LiClO4, two moles of O2 are produced;

= 9.3992 moles of Oxygen

V = nRT / P

= (9.3992 mol) x (8.3144621 L kPa/K mol) x (21 + 273) K / (101.5 kPa)

= 226 L of oxygen

5 0

3 years ago