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garri49 [273]
4 years ago
10

An inefficient appliance costs less to operate than an efficient one, because it takes more energy to do the same job.

Chemistry
1 answer:
Nesterboy [21]4 years ago
4 0

An inefficient appliance costs less to operate than an efficient one, because it takes more energy to do the same job is "False".

<u>Answer:</u> Option B

<u>Explanation:</u>

Energy efficiency is about utilizing less energy consuming appliances than inefficient appliance which consume more energy to do the similar job and support for avoiding high energy bills and unnecessary pollution in the process.

The choice for energy efficiency is "ENERGY STAR LABEL" makes it known to consumers or businesses that a product, home or building is more energy efficient than others on the market.

ENERGY STAR and its partners have managed to save nearly 4 trillion kilowatt-hours of electricity from American families and businesses in 2017  and resulted into 3 billion metric tons of greenhouse gas reductions.

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Complete the mechanism for the electrophilic addition wtien the alkene is treated with water in acid.
ser-zykov [4K]
Alkenes undergo Electrophillic Addition Reactions. Electrophiles are added across double bond. In given reaction the H⁺ is first added across double bond as the double bond being denser in electron density act as a neucleophile. A carbocation formed depends upon the nature of Alkene, if alkene is symmetrical (as in our case) then positive charge can get any position, but in case of unsymmetrical alkene the positive charge will go to that carbon which is attached to more carbon atoms. Then the water molecule attacks the carbocation and forms alcohol.

5 0
4 years ago
PLEASE is possible to calculate the theoretical yield without a balanced equation?
Allushta [10]

No, you absolutely need a balanced equation because you need the coefficients to figure out the molar ratios plus you need the amount of one reactant or product to determine the theoretical yield.

3 0
3 years ago
Preliminary preformulation studies for a new candidate drug molecule does not include one of these
devlian [24]

Answer:

Pilot scale up

Explanation:

Preformulation studies are carried out on candidate drug molecules that show sufficient pharmacological promise in animal model(pharma approach).

It involves preliminary study of the properties of a drug which is considered a potentially active ingredient against a particular disease condition.

Scale-up is the term used to refer to the increase in the batch size of a product. This is only done after a drug has been proven successful against the target disease after extensive pilot studies.

Scale-up is the last operation carried out when a drug has passed through all stages. It is not included in preliminary preformulation studies

7 0
3 years ago
Jacques Charles and Guy-Lussac were influenced by the earlier gas research in the 1600s by ____.
mario62 [17]

Answer:

Robert Boyle

Explanation:

Robert Boyle (1627–1691) is regarded as the individual who established that the amount of gas decreased with the increasing stress, and vice versa, the popular Rule of Boyle. A prominent researcher and philosopher during his day, he was indeed a great supporter of experimental methods.

7 0
3 years ago
Calculate the molar mass of RbOH
Ghella [55]

Hey there!

RbOH

Rb: 1 x 85.468 = 85.468

O:  1 x 16 = 16

H: 1 x 1.008 = 1.008

------------------------------------

                   102.476

The molar mass of RbOH is 102.476 g/mol.

Hope this helps!

5 0
3 years ago
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