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Softa [21]
3 years ago
10

This element is less reactive than lithium and magnesium but more reactive than zinc. Which element is this?

Chemistry
2 answers:
Leni [432]3 years ago
8 0
I searched online since i felt bad it is B
Tamiku [17]3 years ago
7 0
The answer should be:

B. Al (Aluminium)
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Use the balanced equation given below to solve the following problem; Calculate the volume in liters of CO produced by the react
Elan Coil [88]

Answer: 40.3 L

Explanation:

To calculate the moles :

\text{Moles of solute}=\frac{\text{given mass}}{\text{Molar Mass}}

\text{Moles of} Sb_2O_3=\frac{175g}{291.5g/mol}=0.600moles

Sb_2O_3+3C\rightarrow 2Sb+3CO  

According to stoichiometry :

1 moles of Sb_2O_3 produces = 3 moles of CO

Thus 0.600 moles of Sb_2O_3 will produce=\frac{3}{1}\times 0.600=1.80moles  of CO

Volume of CO=moles\times {\text {Molar volume}}=1.80moles\times 22.4L/mol=40.3L

Thus 40.3 L of CO is produced.

6 0
2 years ago
A single replacement reaction is a reaction in which one element replaces a similar element within a compound. True or false?
AleksAgata [21]

Answer:

true

Explanation:

A single replacement reaction is a reaction that an element is displaced with another element in a compound

A+BC------AC+B

Mg+2HCl-------MgCl2+H2

8 0
3 years ago
Zinc + Hydrochloric Acid → Zinc Chloride and Hydrogen Gas
Kipish [7]

Explanation:

because in the right side there is 2 hydrogen( H) and 2 chloride (Cl) to balace them we have to replace 2.

3 0
3 years ago
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When do plants use the process of cellular respiration
d1i1m1o1n [39]

Answer:

So the answer is every day

Explanation:

Plants respire at all times of the day and night because their cells need a constant energy source to stay alive.

8 0
3 years ago
Why is it necessary for the spins of two electrons that occupy one orbital, to be in the opposite directions? What is that law c
Mars2501 [29]

Answer:

Since electrons cannot have the same set of quantum numbers, a maximum of two can be in the n = 1 level, and a third electron must reside in the higher-energy n = 2 level. If there are two electrons in the n = 1 level, their spins must be in opposite directions.

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2 years ago
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