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ZanzabumX [31]
3 years ago
12

Describe the relationship between gravitational force and distance as shown in the diagram.

Chemistry
1 answer:
aev [14]3 years ago
3 0

Answer:

as you move away from a planet the gravitational force gets weaker. just think, if you get close towards a sun then the gravitational force will be stronger.

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What is water classified as
Montano1993 [528]
Water, or H2O, is a compound composed of the elements hydrogen (H) and oxygen (O).
3 0
3 years ago
Calculate the ph of a solution having [OH-] = 8.2 x 10 ^-8M
egoroff_w [7]

Answer:

<h2>6.91 </h2>

Explanation:

To find the pH we must first find the pOH

The pOH can be found by using the formula

pOH = - log [ {OH}^{-} ]

We have

pOH =  -  log(8.2 \times  {10}^{ - 8} )  \\  = 7.086186...

pOH = 7.09

Next we use the equation

pH = 14 - pOH

We have

pH = 14 - 7.09

We have the final answer as

<h3>6.91</h3>

Hope this helps you

8 0
3 years ago
Which one of the following is a kind of organic
Iteru [2.4K]
Well do you have any answer choices and organic is mostly living so whatever answer that is a living thing like plants, animals, humans etc.
6 0
3 years ago
In a reaction, gaseous reactants form a liquid product. The heat absorbed by the surroundings is 1.1 MJ, and the work done on th
ratelena [41]

Answer: \Delta E is 1155 kJ

Explanation:

According to first law of thermodynamics:

\Delta E=q+w

\Delta E=Change in internal energy

q = heat absorbed or released

w = work done or by the system

w = work done by the system=-P\Delta V  {Work done on the system is positive as the final volume is lesser than initial volume}

w =13.2kcal=55.2kJ   (1kcal=4.184 kJ)

q = +1.1 MJ = 1100 kJ  (1MJ=1000kJ)   {Heat absorbed by the system is positive}

\Delta E=1100kJ+(55.2)kJ=1155kJ

Thus \Delta E is 1155 kJ

4 0
3 years ago
Helpp chemistry ..........
ValentinkaMS [17]
Half-life is the time it takes for the radioactive material's mass to decrease by half.

So, half of 96 is 48
half of 48 is 24
half of 24 is 12
half of 12 is 6

96->48->24->12->6

You count how many arrows (->) there is.
Which is 4

Then you use the 12 minutes the question gave you to do:
12 divided by 4
= 3

So, one half-life (Or the time it takes for the radioactive material's mass to decrease in half) is 3 minutes

and every 3 minutes it will decrease by half.
3 0
3 years ago
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