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Georgia [21]
3 years ago
5

in water, hno3 produces h ions. which is the name for hno3 in an aqueous solution? hydrogen nitrate nitric acid saltpetre nitrou

s acid
Chemistry
2 answers:
kondaur [170]3 years ago
8 0

Answer:

HNO3 is Nitric acid

Explanation:

My name is Ann [436]3 years ago
6 0
HNO3 is Nitric acid 
HNO3 can be called hydrogen nitrate if gaseous so watch out for state symbols...

HNO3(l) =nitric acid
HNO3(g) = hydrogen nitrate

saltpetre is a potassium salt KNO3 
Nitrous acid is HNO2 

hope that helps

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How many moles of iron in a sample that contains 7.91×10^23 atoms of iron?
vazorg [7]

Answer: 1.31

Explanation:  

No.of moles = given no.of atoms/Avagadro number

= 7.91×10^23 / 6.022 x 10^23

= 1.31

therefore, no.of moles = 1.31

Hope it helped u,

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5 0
2 years ago
Now liters at the same temperature and pressure: liters of H2 + liters of O2 → liters of H2O
iragen [17]
The answer is 2H2 + O2----> 2H2O
5 0
3 years ago
Identify the following changes as physical or chemical. A loaf of risen but unbaked bread. Photo by Elinor D Bread dough rising:
sergey [27]

The answers include:

  • A loaf of risen but unbaked bread - chemical change.
  • Photo by Elinor D - chemical change.
  • Bread dough rising - chemical change.

<h3>What is a Chemical change?</h3>

This involves the formation of a new products from substances. In this scenario, a rising bread contains alcohol which evaporates.

Photographs also fall under this category and is therefore an irreversible chemical change.

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4 0
2 years ago
When a lead acid car battery is recharged by the alternator, it acts essentially as an electrolytic cell in which solid lead(II)
lesya692 [45]

Answer: The mass of lead deposited on the cathode of the battery is 1.523 g.

Explanation:

Given: Current = 62.0 A

Time = 23.0 sec

Formula used to calculate charge is as follows.

Q = I \times t

where,

Q = charge

I = current

t = time

Substitute the values into above formula as follows.

Q = I \times t\\= 62.0 A \times 23.0 sec\\= 1426 C

It is known that 1 mole of a substance tends to deposit a charge of 96500 C. Therefore, number of moles obtained by 1426 C of charge is as follows.

Moles = \frac{1426 C}{96500 C/mol}\\= 0.0147 mol

The oxidation state of Pb in PbSO_{4} is 2. So, moles deposited by Pb is as follows.

Moles of Pb = \frac{0.0147}{2}\\= 0.00735 mol

It is known that molar mass of lead (Pb) is 207.2 g/mol. Now, mass of lead is calculated as follows.

No. of moles = \frac{mass}{molar mass}\\ 0.00735 = \frac{mass}{207.2 g/mol}\\mass = 1.523 g

Thus, we can conclude that the mass of lead deposited on the cathode of the battery is 1.523 g.

3 0
3 years ago
How many liters of octane are in a shipping container that contains 45 moles?
Andrew [12]
D. 1,008 liters because you are looking for liters from a calculation of moles. Recognizing that you can do STP (22.4L) you multiply this number by 45 moles and it is 1,008 liters
3 0
3 years ago
Read 2 more answers
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