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Neko [114]
3 years ago
9

Help me plz.....!!!!!!

Chemistry
1 answer:
Sophie [7]3 years ago
5 0

Answer:

B. Accelerating!

Explanation:

Upwards means its Accelerating, and consant speed would be a straight horizontal line!

Also the answer above is a scam, I am trying my best to report all of them, and make sure its stops!

Hope this helps and don't forget to follow!

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Decide whether you agree or disagree with the statement, "New theories in science are
Brrunno [24]

Answer:

Time is relative - and science is still arguing about singlet versus doublet Carbenes; they fought over whether Oxygen was “real”, and refused to believe in Radium until one by one they SAW that drop glow! (And affect photographic film).

Explatnation:

3 0
3 years ago
Determine the mass of hydrogen chloride needed to react completely with 12.8 g of aluminum to produce aluminum chloride and hydr
Hoochie [10]
First write out the eqn, and balance it.

next, take 12.8g/mr of aluminium
this will give u the mols of aluminium

next, take the ratio of HCL and Al, compare and find the mols of HCL.

take the mols of HCL/mr of HCL to give u mass

doneee
5 0
3 years ago
Calculate the concentration of OH-in a solution that has a concentration of H+ = 8.1 x 10^−6 M at 25°C. Multiply the answer you
Nat2105 [25]

Answer:

The answer is 12.35

Explanation:

From the question we are given that the concentration of H^{+} is 8.1 * 18^{-6}M

 Generally The rate equation is given as

                                                           K_{w} = [H^{+} ][OH^{-} ]

and K_{w} the rate constant has a value 1 * 10^{-14}

     Substituting and making [OH^{-}] the subject we have

                                                 [OH^{-} ] = \frac{1 * 10^{-14}}{[H^{+}]} = \frac{1 * 10^{-14}}{8.1 *10^{-6}} =1.235 * 10^{-9}

                                                  [OH ^ {-}] = 1.235 * 10^{-9}M

                            Multiply the value by 10^{10} as instructed from the question we have  

                       Answer =   1.235 * 10 ^{-9} * 10^{10} = 12.35

Hence the answer in 2 decimal places is 12.35

7 0
3 years ago
Ас
jok3333 [9.3K]

Answer:

hey dude need dou

Explanation:

im top global chou in ml

7 0
3 years ago
Yo yuh guys know this
erastovalidia [21]

Answer:80KM is distance. 30KM north is displacement.

Explanation:

8 0
2 years ago
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