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Bond [772]
3 years ago
6

How many digits to the right of the decimal point should be used to report the result?

Chemistry
1 answer:
aalyn [17]3 years ago
4 0

Answer:

In engineering and science the common stand is two places.

For example if you get a calculation of 4.567 round up and give the result of 4.57

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Explain 3 sources of carbon dioxide production and explain how the production of CO2 can lead to global warming.
prisoha [69]

Answer:

Natural sources include decomposition, ocean release and respiration. Human sources come from activities like cement production, deforestation as well as the burning of fossil fuels like coal, oil and natural gas.

Explanation:

3 0
2 years ago
In the bromination of arenes, which of the following statements regarding the reaction is true?a.The hydrocarbon is used in exce
Olenka [21]

The hydrocarbon is used in excess.

<h3><u>Explanation</u>:</h3>

The bromination of an arene is not simple as bromination of an alkane. This is because the carbocation or free radicle formation in benzene is a very energy consuming process. This is why a lewis base like aluminium bromide or ferric bromide is used. The ferric bromide takes in the bromine radicle and forms the brominium cation which helps in the formation of electrophile. Now this electrophile brominium cation attacks the benzene ring and forms a temporary sp3 hybrid carbon intermediate. Then the hydrogen is taken by the FeBr4- forming HBr and regenerating the FeBr3 as well as Aromaticity of the arene species at the same time. Here hydrocarbon is used in excess just to prevent the chances of multiple substitution in the same arene molecule.

8 0
3 years ago
A proton is a subatomic particle carrying a charge equal to but opposite that of an electron
Pachacha [2.7K]

Answer:

True

Explanation:

A proton has a charge of +1, while an electron has a charge of -1. This is why a neutral atom has the same number of protons as electrons.

Neutrons have no charge, hence their name neutron which is similar to neutral.

8 0
2 years ago
A student observes that a patch of grass in a garden can reproduce without seed formation by using the structures that grow hori
liraira [26]
RUNNERS , well that what i would pick
3 0
2 years ago
Work done after rutherford's gold foil experiment demonstrated that the nucleus contained ________.
shutvik [7]
Protons and neutrons

hope this helps 
5 0
3 years ago
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