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3 years ago

Would outer space be an ideal spot for a concert? Why or why not? List, write, or draw your response.

Chemistry

1 answer:

zalisa [80]3 years ago

5 0

Answer:

No.

Explanation:

Outer space would not be an ideal spot for a concert for many reasons. One of which, is that there is no sound in space. On Earth, sound travels through air molecules. In outer space there are no air molecules for the sound vibrations to bounce off of.

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How many grams of sucrose (C12H22O11) are in 1.55 L of 0.758 M sucrose solution?

victus00 [196]

Answer:

Mass of Sucrose in given Solution is 401.8158 grams.

Explanation:

Given,

Molarity of Sucrose Solution = 0.758 M.

Volume of Sucrose Solution(V) = 1.55 L.

To find the mass of Sucrose in the solution, we need to find the number of moles of Sucrose present in the given solution 0f 0.758 M.

c = 0.758 M

number of moles can be calculated using

n = c*V

n= 0.758*1.55 = 1.1749 moles

Then to convert no, of moles to mass, we can use the formula,

number of moles(n) = Mass(m)/Molar Mass(M)

The Molar mass of Sucrose C₁₂H₂₂O₁₁ is

Mass of Carbon Sucrose = 12*12 = 144 grams

Mass of Hydogen in Sucrose = 1*22 = 22 grams

Mass of Oxygen in Sucrose = 16*11 = 176 grams

Molar mass of Sucrose = 144 + 22 +176 = 342 grams.

Substituting the values in the formula,

number of moles(n) = Mass(m)/Molar Mass(M)

we get,

1.1749 = (m)/342 => m = 1.1749 *342 = 401.8158 grams.

6 0

3 years ago

Everything to know about on acids and alkalines plz help me !!!

belka [17]

Acids are acids and alkalines are alkalines.

4 0

4 years ago

In which phase(s) of matter are the atoms closely packed but still able to slide past each other? gas liquid

lapo4ka [179]

The answer would be liquid.

4 0

3 years ago

Read 2 more answers

Calculate the relative rate of effusion for the orange to blue spheres. The root-mean-square speed for the orange spheres is 565

Tanzania [10]

Answer:

Relative rate of effusion for the orange to blue spheres = 1.531

Explanation:

Rate of effusion of Orange / Rate of effusion of blue = [Mblue / Morange]^1/2

Vrms = sqrt [(3RT/M)]

Vorange / Vblue = [ Mblue / Morange]^1/2

Rate of effusion of Orange / Rate of effusion of blue = 565/ 369 = 1.531

5 0

3 years ago

Read 2 more answers

Given the unbalanced reaction: P₄+ O₂ <img src="https://tex.z-dn.net/?f=%5Crightarrow" id="TexFormula1" title="\rightarrow" alt=

alex41 [277]

Answer:

The correct answer is option e.

Explanation:

$P_4+ 5O_2 \rightarrow P_4O_{10}$

Moles of phosphorus pent-oxide :

$\frac{14.2 g}{284 g/mol}=0.05 mol$

According to reaction, 1 mole of phosphorus pent-oxide is obtained from 5 moles of oxygen gas.

Then 0.05 mole of phosphorus pent-oxide will be obtained from:

$\frac{5}{1}\times 0.05 mol=0.25 mol$

Hence,the correct answer is option e.

6 0

4 years ago