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IRINA_888 [86]
3 years ago
5

Identifying the Reddish-Brown Substance (continued)

Chemistry
1 answer:
antiseptic1488 [7]3 years ago
4 0

Here's link to the answer:

tinyurl.com/wpazsebu

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Mg- is the isoelectronic of Na

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A substance is a liquid at room temperature and dissolves well in water. It also conducts electricity. What type of bonds does i
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Read 2 more answers
What is the mass of a sample of alcohol (specific heat = 2.4 J/gC), if it requires 4780 J of heat to raise the temperature by 5.
insens350 [35]

The mass of a sample of alcohol is found to be = m = 367 g

Hence, it is found out that by raising the temperature of the given product, the mass of alcohol would be 367 g.

Explanation:

The Energy of the sample given is q = 4780

We are required to find the mass of alcohol m = ?

Given that,

The specific heat given is represented by = c = 2.4 J/gC

The temperature given is ΔT = 5.43° C

The mass of sample of alcohol can be found as follows,

The formula is c = \frac{q}{mt}

We can drive value of m bu shifting m on the left hand side,

m = \frac{q}{ct}

mass of alcohol (m) = \frac{4780}{(2.4)( 5.43)}

m = 367 g

Therefore, The mass of the given sample of alcohol is

m = 367g

It requires 4780 J of heat to raise the temperature by 5.43 C in the process which yields a mass of 367 g of alcohol.

4 0
4 years ago
What is the mass of ether(0.71) which can be put into a beaker holding 130ml
UkoKoshka [18]
D=m/v    ⇒ m=d*v

d=density
m=mass
v=volume

d(ether)=0.71 gr/cm³=0.71 gr/ ml
v=130 ml

m=d*v
m=0.71 gr/ml*(130 ml)=92.3 g

Solution: m=92.3 g
6 0
3 years ago
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