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timofeeve [1]
3 years ago
8

What evidence of a chemical reaction might you see in bleaching a stain

Chemistry
2 answers:
jonny [76]3 years ago
6 0
The properties in the bleach eating away at the stain. The molecules in that destroying the ones causing the stain. As well as it spreads and leaves it's own marks on the clothes, because it destroys the molecules giving the clothing color.
Anvisha [2.4K]3 years ago
4 0
For bleaching a stain, there will be an identifiable odor and it will easily absorb colors and/or stains
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Homework 1
Bond [772]

Answer:

average for silk =141"

average for cotton =96"

average for nylon = 70"

if you desire a slower falling parachute to protect the body from damage,

silk is the best

if you desire a faster falling parachute to escape enemy bullets,

nylon is the best

Explanation:

Homework 1

Problem Solving

1. Kelvin and Xavier were doing an investigation on parachutes. One of them suggested that the type of material the parachute was made from had an effect on how long it took to reach the ground. Their results are given in

the table below.

(a) Calculate the average time in seconds for each material.

Time taken for parachute to reach the ground (seconds)

MATERIAL

1st TRY

2nd TRY

3rd TRY

AVERAGE

Sik

144

140  average of 3 = 141

139

Cotton

98

96   average of 3  = 96

94

Nylon

72

68    average of 3 = 70

70

5 0
2 years ago
Which of the following is NOT a property of an acid?
Kryger [21]
The answer here is D - bases tend to feel slippery. This is because they tend to dissolve oils on your skin, reducing the friction between your fingers or hands when you rub them together.
7 0
3 years ago
How do you use the changes in the phase of water to keep you cool?
sineoko [7]

Answer:

by freezing

Explanation:

8 0
3 years ago
In the combustion reaction CH4+2O2 yield CO2 + 2H2Owhich reactant has the greatest rate of disappearance?
Maksim231197 [3]

Answer:

To consume the 2.8 moles of CH4 we need 5.6 moles of O2 since the molar ratio is 1:2. We have only 3 moles of O2 ; therefore, O2 is the limiting reactant.

Explanation:

6 0
3 years ago
Abbreviated electron configuration for tellurium
Zinaida [17]

Answer:

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4 0
2 years ago
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