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son4ous [18]
3 years ago
8

What type of reaction is shown below?

Chemistry
1 answer:
777dan777 [17]3 years ago
7 0

Answer: A

Explanation: cause they are combining.

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What is the concentration of HNO3 if 5.00×10−2 mol are present in 905 mL of the solution?
Zepler [3.9K]

Answer:

0.05525 M or 55.25 mM

Explanation:

Concentration = moles/volume

*Note that volume is expressed in L so you will need to convert mL > L here

C= \frac{n}{V}\\C= \frac{0.05}{0.905}\\C=0.05525

8 0
3 years ago
The food we eat can be classified into three groups called​
aleksandrvk [35]
These nutrient classes can be divided into macronutrients (nutrients required in large quantities) and micronutrients (nutrients required in tiny quantities). Carbohydrates, proteins, lipids, fiber, and water are macronutrients, whereas vitamins and minerals are micronutrients.
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3 years ago
Sort the compounds: conjugated or non conjugated. -but-2-enoic acid -butanoic acid -hex-4-en-3-one -hexan-3-one
Oliga [24]
By definition of conjugated and non-conjugated acids, Conjugate acids<span> are a type of acid that gains a proton in solution in response to a base that has happily accepted a proton. 
</span><span>
This how the compounds are to be sorted.
</span>-butanoic acid<span>
-but-2-enoic acid
</span>-hexan-3-one<span>
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</span>
3 0
4 years ago
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An inefficient appliance costs less to operate than an efficient one, because it takes more energy to do the same job.
Nesterboy [21]

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.

4 0
4 years ago
What can student do to increase the force of attraction of magnet on the iron(metal) block?
Fantom [35]
Rub the magnet on the iron an it will cause a stronger force of attraction. Hope this helped!
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