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allochka39001 [22]
4 years ago
14

Which of the following is a way to conserve water quantity?

Chemistry
2 answers:
dimulka [17.4K]4 years ago
8 0
Buying Bottled Water
wolverine [178]4 years ago
8 0

Answer:

None of these

Explanation: Buying water is just adding to having more water, detergent has nothing to do with it, and neither does electricity.

You might be interested in
How to separate water from a mixture of rice and peas? Please
charle [14.2K]
Depending on the type of pea, the peas should come to the top as they are lighter and larger. Then just scoop or brush them off into another container. If you separate it into smaller batches and work them one by one, you should then find you get pure rice batches left which you can put in their own container.
6 0
3 years ago
The combustion of Ibuprofen C13H18O2 produces water and carbon
prohojiy [21]

Answer:

277.7 g of CO2

Explanation:

Equation of reaction

C13H18O2 + 11O2 ---> 13CO2 + 9H2O

From the equation of reaction

1 mole of ibuprofen produces 13 moles of CO2

Molar mass of ibuprofen is 206g

Molar mass of CO2 is 44g

13 moles of CO2 weighs 572g

Therefore, 100g of ibuprofen will produce (100×572)/206 of CO2

= 277.7g

6 0
3 years ago
When two or more substances are physically combined the result is a:.
sp2606 [1]

Answer:

I think it is called a Mixture

Explanation:

Sorry if it is wrong

5 0
3 years ago
Draw the addition products formed when one equivalent of HBr reacts with 2,4-hexadiene. (Draw a single product for each. Ignore
Tems11 [23]

Answer:

The products are 4-bromo-2-hexene and 2-bromo-3-hexene

Explanation:

The reaction starts between terminal carbon of of of the double bonds and H^{+}. After attaching H^{+} to the carbon, one double bond disapears leaveing nearby CH positively charged. This intermediate is a resonance hybrid of two possible structures. Reaction of bromide at one of the carbons gives the 1,2-addition product and at the other carbon gives 1,4-addition product.

7 0
3 years ago
Which type of electromagnetic radiation has the longest wavelength?
Montano1993 [528]

Answer:

B. Infrared.

Explanation:

Referring to the electromagnetic spectrum, ultraviolet rays can be measured with a frequency of 10‐⁸, infrared has a frequency of 10‐⁵, visible radiation has a frequency of 0.5 x 10‐⁶ meanwhile X-rays show a frequency of 10‐¹⁰.

Hence, the largest magnitude among the rest goes to infrared rays, which makes B the correct answer.

8 0
3 years ago
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