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qwelly [4]
3 years ago
11

Which diagram represents a physical change,only?

Chemistry
1 answer:
Lorico [155]3 years ago
8 0
There is no diagram
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What is the chemical formula for lithium chloride
Marizza181 [45]

Answer:

<h2>LiCl</h2>

Explanation:

<h3>chemical formula for lithium chloride is </h3><h3>LiCl</h3>

hope it helps

plzz mark as brainliest..

4 0
3 years ago
What is the chemical formula for ammonium sulfate?
Naya [18.7K]

the formula is(NH4)2SO4

8 0
3 years ago
What does Q=mcdeltaT stand for ?
AVprozaik [17]
Its a formula relating to specific heat capacity

Δθ refers to the change in temperature

Q refers to the energy neededto raise the temperature of an object by the change in temperature

m stands for the mass of tje object

c is the specific heat capacity which is the amount of energy needed to heat up an object per unit mass
4 0
3 years ago
Chemistry help!<br><br>Zoom in to see better!!​
inna [77]

Answer:

11.9 g of nitrogen monoxide

Explanation:

We'll begin by calculating the number of mole in 6.75 g of NH₃. This can be obtained as follow:

Mass of NH₃ = 6.75 g

Molar mass of NH₃ = 14 + (3×1)

= 14 + 3

= 17 g/mol

Mole of NH₃ =?

Mole = mass /molar mass

Mole of NH₃ = 6.75 / 17

Mole of NH₃ = 0.397 mole

Next, we shall determine the number of mole of NO produced by the reaction of 0.397 mole of NH₃. This can be obtained as follow:

4NH₃ + 5O₂ —> 4NO + 6H₂O

From the balanced equation above,

4 moles of NH₃ reacted to produce 4 moles of NO.

Therefore, 0.397 mole of NH₃ will also react to produce 0.397 mole of NO.

Finally, we shall determine the mass of 0.397 mole of NO. This can be obtained as follow:

Mole of NO = 0.397 mole

Molar mass of NO = 14 + 16 = 30 g/mol

Mass of NO =?

Mass = mole × molar mass

Mass of NO = 0.397 × 30

Mass of NO = 11.9 g

Thus, the mass of NO produced is 11.9 g

7 0
2 years ago
Write the electron configuration for a sodium cation with a charge of 1+
Dafna1 [17]

1{s}^{2} 2 {s}^{2} 2 {p}^{6}

or simply 2,8 it is isoelectronic with argon

4 0
3 years ago
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