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Rudiy27
3 years ago
9

Giúp em với mị người

Chemistry
1 answer:
alukav5142 [94]3 years ago
6 0

Answer:that is so hard

Explanation:

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Determine the empirical formula for a compound that contains 15.8% carbon and 84.2% sulfer
nydimaria [60]

Answer:

Carbon Disulfide CS2

Explanation:

6 0
3 years ago
Nitric acid with a concentration of 1mol/dm has a pH
goldenfox [79]
Water is neutral with ph 7. when we add water to acidic solution, it will be less acidic. so the pH of acid increases
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Which of the following is considered a drawback to using wind energy as a source of power?
Olin [163]

Answer:

Option (3)

Explanation:

Wind energy is directly derived from the wind. In the places where wind blowing is quite frequent, there wind mills are being set up, and the turbines in it rotates due to the prevailing wind. Due to this continuous motion of turbines, it collects the wind energy and it is being transferred into electrical energy.

It is cost-effective and does not produce any kind of pollution and is completely a renewable energy, that it can generated again and again.

It does have certain drawbacks also, because <u>the area may sometime do not experience constant wind, due to which it cannot store energy. So frequent wind blowing areas are the best place to set up windmills</u>.

Thus, the correct answer is option (3)

5 0
3 years ago
An object with a mass of 15kg is accelerating at 10m/s2. What is the force carried by this object
sladkih [1.3K]

Answer: 150N

Explanation:

The formula to calculate the force will be the mass multiplied by the acceleration. In this case, mass = 15kg and acceleration = 10m/s². Therefore, force will be:

= Mass × Acceleration

= 15 × 10

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The force is 150Newton

8 0
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A booth renter is responsible for conducting all necessary business blank
tatyana61 [14]

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building and managing their own clients, purchasing supplies and keeping records

hope this helps you

5 0
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