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Ne4ueva [31]
3 years ago
5

Which of the following is an example of how an animal can help a plant reproduce?

Chemistry
1 answer:
rodikova [14]3 years ago
3 0

Answer:

Yes B is correct because when the bees pollinated a plant, it's helping that plant to reproduce.

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If an element has 3 valence electrons, what charge will likely form on its ion? Hint: It will lose those electrons. What happens
guajiro [1.7K]

Answer:

The answer to your question is: letter A

Explanation:

If an atom lose 3 electrons its charge will be positive, it will be +3

6 0
2 years ago
What is the minimum temperature for hot water when using
kirill [66]

Answer:

171°F is the answer of this question

5 0
2 years ago
Oxidation no of carbon in C3H7OH​
mestny [16]

Answer:

-2

Explanation:

7 x 1 - 2 x 1 + 1 x 1 + 3C = 0 (no charge)

6 + 3C = 0

C = -2

6 0
3 years ago
Match these items.
dolphi86 [110]

g - Measurement of Mass

m² - Measurement of Area

m³ - Measurement of Volume

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5 0
3 years ago
Consider the reaction of Mg3N2 with H2O to form Mg(OH)2 and NH3. If 4.33 g H2O is reacted with excess Mg3N2 and 6.26 g of Mg(OH)
Len [333]

Answer:

89.34%

Explanation:

First, write a balanced reaction.

Mg3N2 + <u>6</u>H2O --> <u>3</u>Mg (OH)2 + <u>2</u>NH3

Next determine the moles of the known substance, or limiting reagent ( H2O)

n= m/MM

n ( H2O) = 4.33/(1.008×2)+16

n(H2O)= 0.2403

Use the mole ratio to find the moles of Mg(OH)2

0.2403 ÷2

n (Mg (OH)2) = 0.1202

Next, find the theoretical mass of Mg (OH)2 that should have been produced

m= n × MM

m= 0.1202 × (24.305 + (16×2) +(1.008 ×2))

=7.007g

To find percentage yield, divide the experimental amount by the theoretical amount and multiply by 100.

6.26/ 7.007 × 100

=89.34%

7 0
2 years ago
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