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kari74 [83]
3 years ago
15

Pick the compound with the highest boiling point in each pair. match the words in the left column to the appropriate blanks in t

he sentences on the right. make certain each sentence is complete before submitting your answer. helpreset no2 cs2 ch4 co2 nh3 for the pair of compounds cs2 or co2 the one with the highest boiling point is co2. for the pair of compounds co2 or no2 the one with the highest boiling point is no2. for the pair of compounds nh3 or ch4 the one with the highest boiling point is nh3.
Chemistry
1 answer:
Olenka [21]3 years ago
3 0
<span>Answer: For the pair of compounds NH3 or CH4 the one with the highest boiling point is</span>
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A sample of water is mixed with a surfactant. What
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Answer:

Surfactants reduce the surface tension of a liquid. The Most liklely thing to happen is that the viscosity of the water will decrease.

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He balanced equation for the reaction of acetylene, c2h2, and oxygen in an acetylene torch is 2 c2h2 + 5 o2 → 4 co2 + 2 h2o. in
pickupchik [31]
Answer: 0.4 g

Explanation:

1) Balanced chemical equation:

2) 2C2H2 + 5 O2 → 4CO2 + 2 H2O

3) mole ratios:

2 mol C2h2 : 5 mol O2

4) Convert 0.13 g C2H2 into number of moles

n = mass in grams / molar mass

molar mass C2H2 = 2 *12g/mol + 2*1 g/mol = 26 g/mol

n = 0.13 g / 26 g/mol = 0.005 mol

5) Set the proportion with the unknown

5 mol O2             x
----------------- = ---------------
2 mol C2H2      0.005 mol C2H2

x = 0.005 mol C2H2 * 5 mol O2 / 2 mol C2H2 = 0.0125 mol O2

6) Convert 0.0125 mol O2 to grams

mass = number of moles * molar mass

molar mass of O2 = 32 g/mol

mass = 0.0125 mol * 32 g/mol = 0.4 g

Answer: 0.4 g
8 0
3 years ago
Difine velocity<br><img src="https://tex.z-dn.net/?f=%20%5C%3A%20%20%5C%3A%20%20%5C%3A%20" id="TexFormula1" title=" \: \: \: "
MatroZZZ [7]

Velocity can be defined as the displacement of a body per time.

<h3>What is velocity?</h3>

Velocity measures the rate at which a given distance is covered by a body in a specified direction.

Velocity is defined as the displacement of a body per time.

Mathematically,

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Therefore, Velocity can be defined as the displacement of a body per time.

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7 0
2 years ago
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How many moles of CO2 will be produced from 97g of C3H8 assuming O2 is available in excess
liberstina [14]

Answer:

6.6 moles

Explanation:

Given data:

Moles of CO₂ produced = ?

Mass of C₃H₈ react = 97 g

Solution:

Chemical equation:

C₃H₈ + 5O₂    →   3CO₂ + 4H₂O

Number of moles of C₃H₈:

Number of moles = mass/ molar mass

Number of moles = 97 g/ 44.1 g/mol

Number of moles = 2.2 mol

Now we will compare the moles of C₃H₈ with CO₂  from balance chemical equation.

                 C₃H₈             :              CO₂

                    1                 :                  3

                   2.2              :               3 ×2.2=6.6

Thus from 97 g of C₃H₈  6.6 moles of  CO₂ are produced.

         

3 0
3 years ago
I dont know what it is
marysya [2.9K]
Carbon
calcuim
iron
hydrogen
iodine
nitrogen
oxygen
phosphorus
sulfur
The letters are the symbols for those elements
5 0
3 years ago
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