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Masteriza [31]
3 years ago
9

in times of hot dry weather some cities ban the use of garden sprinklers why do you think there is such a rule

Chemistry
2 answers:
Over [174]3 years ago
8 0

Answer:

To restrict the amount of water being utilized from a limited supply.

Explanation:

A sprinkler or a hosepipe ban gets imposed in certain cities during hot weather conditions in order to conserve the declining levels of drinking water, that is, stored in the reservoirs at the time of drought. Once the rainy season comes back the ban gets lifted as the reservoirs get filled once again, and it is more essential to provide water to the public, as the grass can always grow again.

Solnce55 [7]3 years ago
7 0

ban the use of garden sprinklers during hot dry weather because If water use doesn't decrease soon, pressure could start dropping and supplies could cut out without warning. Weeks of dry weather, high temperatures and warm winds have pushed water use almost to the limit.


 

                                                                                                                                      

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The lead pipe has a mass of 200 g, how much will be left after 6 months?
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Answer:

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5 0
3 years ago
Write equations for the following: (b) an addition reactionbetween cyclohexene and Cl₂;
lorasvet [3.4K]

The required equation for an addition reaction between cyclohexene and Cl2 .

Cyclohexene + Cl2 → 1,2-dichlorocyclohexane

What is addition reaction ?

it is type of reaction in which one molecule combines with another molecule to form larger molecules .

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The free radical addition reaction involves chain initiation , chain propagation and chain termination .

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7 0
1 year ago
What did you observe in the reaction of phosphoric acid with the freshly cleaned zinc when compared with a piece just taken out
mash [69]

Answer:

The classification is mentioned below for the particular topic.

Explanation:

  • Whether we position 2 different beakers in such a single beaker through one clean edge of zinc-containing H₃Po₄ and another one with unflushed zinc.  
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⇒      3Zn+2H_{3}Po_{4}\rightarrow Zn_{3}(Po_{4})_{2}+3H_{2}

  • Since fresh zinc complicates the cycle since, as a comparison to polluted zinc, there was little contact with either the reaction.
6 0
3 years ago
The time necessary for the decay of one- half sample of a radioactive substance is a _____. mass defect daughter half life nucli
Mazyrski [523]

Answer: half life

Explanation: Radioactive decay follows first order kinetics and the time required for the decay of a radioactive material is calculated as follows:

t=\frac{2.303}{k}\hspace{1mm}log\frac{x}{a}

t= time required

k= disintegration constant

x= amount of substance left after time t

a= initial amount of substance

when one half of the sample is decayed, one half of the sample remains and t can be represented as t_{1/2}

at t= t_{1/2}, x=\frac{a}{2}

t_{1/2}=\frac{2.303}{k}\hspace{1mm}log\frac{a/2}{a}

t_{1/2}=\frac{0.693}{k}

3 0
3 years ago
Read 2 more answers
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