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Step2247 [10]
3 years ago
9

A point of reference is anything that seems steady that is used compare the position of an object

Chemistry
2 answers:
bagirrra123 [75]3 years ago
8 0

That statement would be true

Masja [62]3 years ago
4 0

Answer:

True

Explanation:

hope it'll help!!

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2 KClO_2 produces 2 KCl+ 3O_2 when heated. If this reaction produces 82.8 g of KCl how many grams of O2 were produced?
Ad libitum [116K]

Answer:

37.046 grams of oxygen gas were produced.

Explanation:

2KClO_2\rightarrow 2KCl+ 3O_2

Moles of potassium chlorite = \frac{82.2 g}{106.5 g/mol}=0.7718 mol

According to reaction 2 moles of potassium chlorite gives 3 moles of oxygen gas.

Then 0.7718 moles of potassium chlorite will give:

\frac{3}{2}\times 0.7718 mol=1.1577 mol of oxygen gas.

Mass of 1.1577 moles of oxygen gas:

1.1577 mol × 32 g/mol = 37.046 g

37.046 grams of oxygen gas were produced.

4 0
3 years ago
among these properties of acids basses or both which property is specific to acids only? A. accepts protons B. bitter taste C. e
Radda [10]

Answer:

C. electricity conductive

6 0
2 years ago
• 1. An object has a mass of 570g and a volume of 2280ml. Calculate its<br> density. 250 kg/m3
Dima020 [189]

Answer:

Density=mass/volume

= 570/2280

=0.25g/ml

7 0
3 years ago
Can someone best explain why a washing machine represents an open system
Effectus [21]
Open system is a system in which mass or energy can be lost to or gained from the environment. In this case, water and power come from external sources best explains why a washing machine would be considered an open system.  
6 0
3 years ago
Read 2 more answers
If 25.8 grams of BaO dissolve in enough water to make a 212-gram solution, what is the percent by mass of the solution?
Igoryamba
The correct answer is 12.2% BaO.

The solution is found by dividing the mass of the BaO, which is 25.8 grams, by the total mass of the solution, which is 212 grams, then multiplying it by 100 to get the percentage:
\frac{25.8}{212}*(100) =12.2%
3 0
2 years ago
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