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seropon [69]
2 years ago
8

G8_SCIENCE_BSA_21_22

Chemistry
1 answer:
S_A_V [24]2 years ago
8 0

Answer:

Explanation: Over the course of a year, areas near Earth’s equator receive more direct energy from the Sun than areas near Earth’s poles.  Which of the following correctly describes one result of this heating pattern?


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The diagrams below show the alignment of the Sun, the Moon, and Earth.
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Answer:A

Explanation: I learned it from a gizmo

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Describe how you created the 0.075 M glucose solution from the 1 M stock solution. Show your calculations and give details about
soldier1979 [14.2K]

Answer:

by addind

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3 years ago
Does a physical change form a new substance
beks73 [17]

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No. No new substance is formed during Physical change.

4 0
3 years ago
15.50 g of NH4Cl reacts with an excess of AgNO3. In the reaction 35.50 g AgCl is produced. what is the theoretical yield of AgCl
Readme [11.4K]

Answer:

The answer to your question is 41.6 g of AgCl

Explanation:

Data

mass of NH₄Cl = 15.5 g

mass of AgNO₃ = excess

mass of AgCl = 35.5 g

theoretical yield = ?

Process

1.- Write the balanced chemical reaction.

              NH₄Cl  +  AgNO₃   ⇒   AgCl  +  NH₄NO₃

2.- Calculate the molar mass of NH₄Cl and AgCl

NH₄Cl = 14 + 4 + 35.5 = 53.5 g

AgCl = 108 + 35.5 = 143.5 g

3.- Calculate the theoretical yield

                 53.5 g of NH₄Cl -------------------- 143.5 g of AgCl

                  15.5 g of NH₄Cl  -------------------    x

                         x = (15.5 x 143.5) / 53.5

                         x = 2224.25 / 53.5

                         x = 41.6 g of AgCl

8 0
3 years ago
Which of the following is NOT a characteristic of stars? A) Size B) temperature C) texture D) color
Lynna [10]

Answer:

C

Explanation:

Characteristics used to classify stars include color, temperature, size, composition, and brightness.

7 0
3 years ago
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