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3 years ago

Explain why soap needs to be used to clean clothes and why you can’t just use water alone?

2 answers:

7 0

Soap was made for cleaning washing and such. It’s important to use soap in the process of cleaning your clothes because not only does it usually leave a better scent but it helps take out stains and such. That’s why we use soap to clean our bodies, faces, dogs, certain materials. So that the dirt and any other debris comes off. Think about washing the dishes, you don’t wash them with only water. You use soap because it’s the most logical effective way to clean things.

Deffense [45]3 years ago

5 0

Answer:

Water alone can't clean clothes because it won't attach to molecules of grease and dirt.

Explanation:

The surfactants it contains are made of molecules that have two different ends. One end is strongly attracted to water; the other is attracted to oily substances like grease.

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Which conclusion is supported by the information in the graph?

Molodets [167]

Answer:

A. The cost of producing a kilowatt of power with fuel cell will be less than $30 in 2015

4 0

2 years ago

How many moles are there in 5.30 x 1024 atoms of silver?

Rus_ich [418]

Answer:

The mass of

4.6

atoms of silver is approximately 820 g.

Explanation:

In order to determine the mass of a given number of atoms of an element, identify the equalities between moles of the element and atoms of the element, and between moles of the element and its molar mass.

mole atoms Ag=6.022xx10

atoms Ag

Molar mass of Ag =#"107.87 g/mol"#

Multiply the given atoms of silver by

mol Ag

6.022

atoms Ag

. Then multiply times the molar mass of silver.

4.6

atoms Ag

mol Ag

6.022

atoms Ag

107.87

g Ag

mol Ag

820 g Ag

6 0

3 years ago

HELP ASAP ITS TIMED!!!

Tpy6a [65]

Answer:

C would be the right answer

5 0

3 years ago

Read 2 more answers

To measure the amount of chlorine in a well-boring fluid, an analytical chemist adds silver nitrate solution to a sample of the

anyanavicka [17]

Answer:

c. precipitation

Explanation:

Let's consider the following balanced net ionic equation.

Cl⁻(aq) + AgNO₃(ag) ⇒ AgCl(s) + NO₃⁻ (ag)

What kind of reaction is this?

a. acid-base. No, because the reactants are not acids and bases.

b. redox. No, because all the species have the same oxidation numbers in the reactants and the products

c. precipitation. Yes, because an insoluble compound (AgCl) is produced, which then precipitates.

3 0

3 years ago

If 7.0 mol sample of a gas has a volume of 12.2 L, what would the volume be if the amount of gas was increased to 16.8 mol

Leviafan [203]

Answer:

$V_{2} = 29.28\,L$

Explanation:

Let assume that gas behaves ideally and experiments an isobaric and isothermal processes. The following relationship is applied to determined the final volume:

$\frac{V_{1}}{n_{1}} = \frac{V_{2}}{n_{2}}$

$V_{2} = V_{1} \cdot \left(\frac{n_{2}}{n_{1}} \right)$

$V_{2} = (12.2\,L)\cdot \left(\frac{16.8\,moles}{7\,moles} \right)$

$V_{2} = 29.28\,L$

5 0

3 years ago