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krek1111 [17]
3 years ago
13

You put one ice cube on a room temperature rock and another ice cube on a room temperature piece of foil. Which ice cube will me

lt faster? Why?
Chemistry
1 answer:
aksik [14]3 years ago
5 0

Answer:

a ice cube on a room temperature rock

Explanation:

because the air temperature is warmer than the freezers which means the ice particle gather heat energy from warmer air.

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A 25.0g tin sample was placed in boiling water at 99.5 C until it had the same temperature. Afterwards, the tin sample was place
MrMuchimi

Answer : The specific heat of tin is, 0.213 J/g.K

Explanation :

Formula used :

q=m\times c\times (T_{final}-T_{initial})

where,

q = amount of heat lost = -399.4 J

c = specific heat capacity of tin = ?

m = mass of tin = 25.0 g

T_{final} = final temperature = 24.5^oC=273+24.5=297.5K

T_{initial} = initial temperature = 99.5^oC=273+99.5=372.5K

Now put all the given values in the above formula, we get:

-399.4J=25.0g\times c\times (297.5-372.5)K

c=0.213J/g.K

Therefore, the specific heat of tin is, 0.213 J/g.K

7 0
3 years ago
7) How many grams of HCl will be produced with 16.2 grams of H2 and excess Cl2? H2 + Cl2 -> 2HCl
Westkost [7]

Use the atomic weights of H and Cl to calculate the answer to question 7. For H, it is 1. For Cl it is 35.45.

<span>The ratio of H to Cl in HCL is 1:1. Therefore, 16.2 grams of H means that there will be 16.2 * 35.45 grams of Cl within the resulting HCl. Therefore, the grams of HCl will be 16.2 grams + 574.29 grams = 590.5 grams of HCl</span>
8 0
3 years ago
What tool would you use to test for hardness?
s344n2d4d5 [400]

Answer: mohs picks

Explanation: hope its what you wanted

8 0
3 years ago
Is the bond formed between each pair of atoms pure covalent (a.k.a. nonpolar covalent), polar covalent, or ionic?
swat32

Answer:

So, look up for electronegativity table

There's a continuum for deciding whether the bond is non-polar, polar, or ionic

If electronegativity difference is less than 0.4 it's non-polar

Explanation:

Pls vote my answer as brainliest

7 0
3 years ago
In what order should atoms be balanced in a hydrocarbon combustion
avanturin [10]

Answer:

B . Carbon hydrogen oxygen

Explanation:

I'll hope work it

6 0
3 years ago
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