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Ulleksa [173]
3 years ago
10

Is there any way the pandemic helps this society?

e="22 \times 12" alt="22 \times 12" align="absmiddle" class="latex-formula">
​
Chemistry
1 answer:
Alexxandr [17]3 years ago
7 0

Answer:

u meant the answer to this ques

Explanation:

22

×12

------

44

22 ×

----------

264

-----------

or the answer can be 22×12=264

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Type the correct answer in the box. Express the answer to two significant figures.
meriva

Delta enthalpy = 2x386-3x1x432-3x942=-3350kJ/mol

8 0
3 years ago
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What is the ionic compound for FePO4?
Harlamova29_29 [7]
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8 0
3 years ago
An unknown metal has a mass of 86.8 g. When 5040 J of heat are added to the sample, the sample temperature changes by 64.7 ∘ C .
grandymaker [24]

Answer: The specific heat of the unknown metal is 0.897J/g^0C

Explanation:

The quantity of heat required to raise the temperature of a substance by one degree Celsius is called the specific heat capacity.

Q=m\times c\times \Delta T

Q = Heat absorbed=5040 Joules

m= mass of substance = 86.8 g

c = specific heat capacity = ?

Initial temperature of the water = T_i

Final temperature of the water = T_f

Change in temperature ,\Delta T=T_f-T_i=(64.7)^0C

Putting in the values, we get:

5040=86.8\times c\times 64.7^0C

c=0.897J/g^0C

The specific heat of the unknown metal is 0.897J/g^0C

4 0
3 years ago
What do you already know about the role of water within your body?
Fudgin [204]

Answer:

it helps us with our blood (Little)

7 0
3 years ago
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According to Dalton, atoms cannot be SELECT ALL THAT APPLY a Created b Destroyed c Subdivided d Bonded​
Sveta_85 [38]

Answer:

The answer is subdivided,created or destroyed

6 0
2 years ago
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