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user100 [1]
3 years ago
12

At a town meeting, your government officials announce that the local landfill is running out of room and that it will be some ti

me before they can build a new one. They ask for suggestions to help reduce the waste that goes into the landfill. Write down three suggestions that will help the town address this problem.
Chemistry
1 answer:
Elza [17]3 years ago
4 0

Answer:

Here are some possible answers:

Expand the recycling program to include all recyclable materials, and offer residents a reward for recycling.

Ask residents to compost food waste.

Decrease the amount of snail mail, and switch to electronic correspondence when possible.

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It takes 93.75 mL of a 0.200 M NaOH to neutralize 75.0 mL of an unknown
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Answer:

the answer is the second option

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In an alkane the mass ratio between hydrogen and carbon is 7/36. What is the formula of alkane?
ch4aika [34]

Answer:

CnH2n+2 formula

Explanation:

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1 year ago
5. What is the mole fraction of NaOH in an aqueous<br> solution that contains 31.0 % NaOH by mass?
Liono4ka [1.6K]

Answer:

16.8%      

Explanation:

31% NaOH    molar mass  40 gm

69% H2O      molar mass  18  gm

1000 gm would be  

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 690 gm of H2O or  690/18 = 38.333 moles

7.75 / (7.75 + 38.333) = .168   mole fraction

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2 years ago
A gene is being copied to be passed from a parent to an offspring. While being copied from the parent, a
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Mutation. Called this because the other possible answers do not equal a copying error, mutations affect the outcome.

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3 years ago
A 50-mL beaker only has a scale that measures 10, 20, 30, and 40 mL. What is the uncertainty associated with the 50 mL beaker.
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If the uncertainty of a certain measurement instrument is not given, then it is assumed to be equal to half of the least count of that instrument. In this case, the least count is 10 ml, so half of this is 5 ml. Therefore, the graduated cylinder has an uncertainty of +/- 5 ml
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