3 years ago

Many homes that are not

Chemistry

1 answer:

andrew11 [14]3 years ago

6 0

Answer:

pump that is the answer hope its right

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The temperature of a sample of water from the faucet increases from 22.7°C to 48.9°C when 3,710J are applied through electric sh

MakcuM [25]

Answer:

33.8.

Explanation:

Hello,

In this case, since the used equation is:

$Q=mCp(T_2-T_1)$

Whereas the specific heat is 4.184 J/(g°C), we compute the mass as follows:

$m=\frac{Q}{Cp(T_2-T_1)}$

Thus, the mass turns out:

$m=\frac{3,710J}{4.184\frac{J}{g\°C} (48.9-22.7)\°C}\\\\m=33.8g$

And without units:

33.8.

Best regards.

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3 years ago

which one of the following statements about sodium chloride is incorrect a) within the crystal, each sodium ion is surrounded by

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A chemist working as a safety inspector finds an unmarked bottle in a lab cabinet. A note on the door of the cabinet says the ca

BaLLatris [955]

Answer: The density of the liquid is $1.10g/cm^3$

Explanation:

Density is defined as the mass contained per unit volume.

$Density=\frac{mass}{Volume}$

Given : Mass of the unknown liquid = 938 grams

Volume of the unknown liquid = $0.852L=852cm^3$ $(1L=1000cm^3$

Putting in the values we get:

$Density=\frac{938g}{852cm^3}$

$Density=1.10g/cm^3$

Thus the density of the liquid is $1.10g/cm^3$ and the liquid is dimethyl sulfoxide.

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