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Veseljchak [2.6K]
3 years ago
13

If you guys don’t mind can you explain to me why u think it’s either A, b, c, d plz and thank you

Chemistry
1 answer:
sveticcg [70]3 years ago
8 0

Answer: answer is D

Explanation:

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Plz answer this i will mark brainly like and ratr
matrenka [14]

Answer:

answer what ?

Explanation:

4 0
3 years ago
Which of the following is a characteristic of a scientific theory
Andru [333]

Answer:

number one

Explanation:

hope I helped

8 0
3 years ago
How many grams of ammonia must you start with to make 900.00 l of a 0.140 m aqueous solution of nitric acid? assume all the reac
bogdanovich [222]
You need the set of reactions that goes from ammonia to nitric acid.
<span>
1) 4NH3(g)+5O2(g)-->4NO(g)+6H2O(g)

2) 2NO(g)+O2(g)-->2NO2(g)

3) 3NO2(g)+H2O(l)-->2HNO3(aq)+NO(g)

State the ratio of moles of HNO3 to NH3:

4 moles of NH3 produce 4 mole of NO,

4 moles of NO produce 4 moles of NO2

4 moles of NO2 produce 4 * (2 / 3) moles of HNO3 = 8/3 moles of HNO3.

=> (8/3) moles HNO3 : 4 moles NH3

Calculate the number of moles of HNO3 in 900.00 l of 0.140 M solution

M = n / V => n = M * V = 0.140 M * 900.00 liter = 126 moles HNO3

Use proportions:

(</span><span>8/3) moles HNO3 / 4 moles NH3 = 126 moles HNO3 / x

=> x = 126 moles HNO3 * 4 moles NH3 / (8/3 moles HNO3) = 189 moles NH3

Convert moles to grams:

molar mass NH3 = 14 g/mol + 3 * 1g/mol = 17 g/mol

mass in grams = number of moles * molar mass = 189 moles * 17 g/mol = 3213 g

Answer: 3213 g.
</span>
3 0
3 years ago
In which of the following is the name and formula paired correctly?
Pavel [41]

Answer:

Stannic fluoride, SnF4

Explanation:

The chemical formula of Barium nitride is Ba(NO3)2.

The chemical formula of Cobaltous chloride is COCl2.

The chemical formula of Sodium Oxide is Na2O.

So the correct one is stannic fluoride, SnF4.

6 0
3 years ago
Read 2 more answers
Im not sure for this one please help me​
pshichka [43]

Answer:

Fairly certain it is the tension of the string

6 0
3 years ago
Read 2 more answers
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