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Tems11 [23]
3 years ago
5

What does the sign + mean in a chemical equation?

Chemistry
2 answers:
PIT_PIT [208]3 years ago
8 0
Used to separate two reactants from eachother
olga_2 [115]3 years ago
6 0
It's used to separate two reactants from each other
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Please please help me with this chemistry question over limiting reactants it’s due by midnight! I’ll mark you BRAINIEST!!!
OverLord2011 [107]

Answer: 1.5 moles

Explanation: one mole Zn uses 2 moles HCl.

1.5 moles Zn uses 3.0 mol HCl. Then Zn is a limiting reactant

And produces equal amount of H2.

4 0
3 years ago
Join anyone<br><br> qof-gsqi-tnk​
dem82 [27]

Answer:

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2 years ago
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What is the specific heat of the solid phase? (Please see picture attached)
ValentinkaMS [17]

Answer:

B.0.2 J/g°C

Explanation:

From the attached picture;

  • Heat attained in the solid phase is 200 Joules
  • Change in temperature is 50°C ( from 0°C to 50°C)
  • Mass of the solid is 20 g

We are required to determine the specific heat capacity of the substance;

  • We need to know that Quantity of heat is given by the product of mass,specific heat capacity and change in temperature.
  • That is; Q = mcΔT

Rearranging the formula;

c = Q ÷ mΔT

Therefore;

Specific heat = 200 J ÷ (20 g × 50°c)

                      = 0.2 J/g°C

Thus, the specific heat of the solid is 0.2 J/g°C

4 0
3 years ago
Consider the chemical equations shown here.
Alona [7]

Answer:

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Explanation:

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5 0
3 years ago
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What are the characteristics of different classes of chemical reactions?
Ganezh [65]

Answer:

· A chemical reaction is a process generally characterized by a chemical change in which the starting materials (reactants) are different from the products. Chemical reactions tend to involve the motion of electrons, leading to the formation and breaking of chemical bonds. There are several different types of chemical reactions and more than one way of classifying them.

Explanation:

6 0
3 years ago
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