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3 years ago

Find the volume of a cereal box that has the dimensions of 35.2 cm x 220 cm x 6.0 cm

Chemistry

1 answer:

notsponge [240]3 years ago

3 0

Answer:

Volume = 35.2×220×6.0 = 46464 centimeters³

Explanation:

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Why is the statue of liberty made out of copper and not zinc?.

Westkost [7]

Answer:

The statue of liberty was made of copper. Copper is extremely weather-resistant. It will gradually oxidize copper chloride, which is greenish in

Explanation:

Because it copper and it greenish

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3 years ago

Heptane and water do not mix, and heptane has a lower density (0.684 g/mL) than water (1.00 g/mL). A 100-mL graduated cylinder w

kicyunya [14]

Answer:

$h=100.8cm$

Explanation:

Hello,

In this case, considering the density and mass of both water and heptane we first compute the volume of each one:

$V_{water}=\frac{m_{water}}{\rho _{water}}=\frac{34g}{1.00g/mL}=34mL\\ \\V_{heptane}=\frac{m_{heptane}}{\rho _{heptane}}=\frac{34.6g}{0.684g/mL}=50.6mL\\$

Now, the total volume is:

$V=50.6mL+34mL=84.6mL$

Which is equal to:

$V=84.6cm^3$

Then, by knowing that the volume of a cylinder is πr²h or π(D/2)²h, we solve for the height as follows:

$h=\frac{V}{\pi (D/2)^2} \\\\h=\frac{84.6cm^3}{\pi (3.16cm/2)^2} \\\\h=100.8cm$

Best regards.

3 0

3 years ago

The gram formula mass of a compound is 48 grams. The mass of 1.0 moles of this compound is(1) 1.0g (2) 4.8g (3) 48.0g (4) 480g

adell [148]

The answer is (3) 48.0 g. The gram formula mass means that the mass of one mol compound. So the mass of 1.0 mol of this compound is equal to the gram formula mass 48 g.

7 0

3 years ago

Which are the products in this chemical reaction? 2C4H10 + 13O2 8CO2 + 10H2O A. 13O2 + 10H2O B. 8CO2 + 10H2O C. 2C4H10 + 13O2 D.

arsen [322]

<u>Answer:</u> The products in the given chemical reaction are $8CO_2\text{ and }10H_2O$

<u>Explanation:</u>

Reactants are defined as the species which react in the reaction and are written on the left side of the reaction arrow.

Products are defined as the species which are produced in the reaction and are written on the right side of the reaction arrow.

For the given chemical equation:

$2C_4H_{10}+13O_2\rightarrow 8CO_2+10H_2O$

The reactants of the above reaction are $2C_4H_{10}\text{ and }13O_2$ and the products are $8CO_2\text{ and }10H_2O$

Hence, the products in the given chemical reaction are $8CO_2\text{ and }10H_2O$

8 0

3 years ago

Read 2 more answers

1.5 L of gas held under 1.0 atm, has the pressure increased to 303.9kPa, what is the new volume of the gas, if the temperature i

Ronch [10]

Answer: 1/2L

Explanation:

Volume and pressure are changed, so use Boyle's law.

P1V1=P2V2

Convert 303.9kpa to atm by mutiplying by (1/101.3)=3atm

Plug in:

1.5(1)=3(V2)

V2=1/2 L

This makes sense since volume and pressure are inversely proportional. The pressure is increased, so the volume must decrease.

6 0

3 years ago