Can someone help me? I will give BRAINLIEST

Chemistry

2 answers:

ELEN [110]3 years ago

6 0

I don’t know the answer but I need you help with my points

Mkey [24]3 years ago

4 0

Troposphere is the highest layer of the atmosphere and touches space

Startophere is where stratus clouds form up high in the sky

The Mesosphere is the third layer you need to know and it’s low density ...yo?

Thermosphere we’re getting closer and closer to earth

Exoshpere were airplanes are high, buckle up it’s time to fly

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Which of the following statements is true according to the law of conservation of energy?

andreev551 [17]

The statement that is true according to the law of conservation of energy is D. all of the above. Energy cannot be created, it already exists everywhere around us. Energy cannot be destroyed, as it will always be present in some form or another. Energy can be converted from one form to another, and thus it will always exist without being destroyed.Hope this helps. Let me know if you need additional help!

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3 years ago

Read 2 more answers

select the equations that are correctly balanced. h2o 2o2? h2o2 fe2o3 3h2? 2fe 3h2o al 3br2? albr3 caco3? cao co2 can you clarif

natta225 [31]

The choices are as follows:
h2o + 2o2 = h2o2
fe2o3 + 3h2 = 2fe + 3h2o
al + 3br2 = albr3
caco3 = cao + co2

The correct answers would be the second and the last option. The equations that are correctly balanced are:

 fe2o3 + 3h2 = 2fe + 3h2o
caco3 = cao + co2

To balance, it should be that the number of atoms of each element in the reactant and the product side is equal.

8 0

3 years ago

A buffer with a pH of 4.31 contains 0.31 M of sodium benzoate and 0.24 M of benzoic acid. What is the concentration of [ H 3 O ]

Mnenie [13.5K]

Answer: The hydronium ion concentration in the solution is $1.29\times 10^{-4}M$