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Simora [160]
3 years ago
10

What is the charge on every atom? why is this the charge

Chemistry
1 answer:
inn [45]3 years ago
8 0
Protons, neutron, and elecrons

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HELPP! pls
pshichka [43]

Answer:

"2.48 mole" of H₂ are formed. A further explanation is provided below.

Explanation:

The given values are:

Mole of Al,

= 3.22 mole

Mole of HBr,

= 4.96 mole

Now,

(a)

The number of mole of H₂ are:

⇒  \frac{Mole \ of \ H_2}{3} =\frac{Mole \ of HBr}{6}

or,

⇒  Mole \ of \ H_2=\frac{1}{2}\times Mole \ of \ HBr

⇒                      =\frac{1}{2}\times 4.96

⇒                      =2.48 \ mole

(b)

The limiting reactant is:

= HBr

(c)

The excess reactant is:

= Al

6 0
2 years ago
What type of asexual reproduction do bacteria most commonly use?
icang [17]

Answer: Binary Fission

Explanation:

3 0
3 years ago
It is important not to mix R-22 and R-410A refrigerants in the same container because:
Bumek [7]
It is not important not to mix R-22 and R-401A refrigerants in the same container because:
d. they use different oil.
The Freon in both systems are essentially the same but the oils in each system are not compatible which will render the mixture of the two systems useless.
6 0
3 years ago
Scintillatium has a halflife of 16 minutes. if a sample has 800 grams, find a formula for its mass after t minutes.
hichkok12 [17]
<span>Halflife is the time needed for a radioactive molecule to decay half of its current mass. If t is the time elapsed, the formula for the halflife would be:
final mass= original mass * </span>\frac{1}{2} ^{\frac{t}{halflife}
<span>
If you put the information of the problem into the formula, the equation will be:
</span>final mass= original mass * \frac{1}{2} ^{\frac{t}{halflife}
final mass= 800g * \frac{1}{2} ^{\frac{t}{16 min}
8 0
3 years ago
E<br>Coal and petrol are called non-renewable sources of energy,why<br>​
12345 [234]

Answer:

because they take thousands or even millions of years to naturally replenish or replaced , which is not the average human lifetime

8 0
3 years ago
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