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jolli1 [7]
3 years ago
15

A) Suggest one possible reason for the general trend indicated on the graph between 1910 and 2000.?

Chemistry
2 answers:
matrenka [14]3 years ago
8 0
One possible reason for the general tread could be the rise in population and the need to sustain oil production for items and objects dependent upon oil or creation or operation. 

It may be sustainable due do the dependence on oil already... Yet could change at any minute due to the use of anything new. 

Well, becoming more ecological in nature. Using less plastic and recycling more, getting off of conventional cars, getting more educated about even more techniques. 

I hope that may help, if not, just tell me. :D 
sleet_krkn [62]3 years ago
6 0

A) One possible reason for the trend that we see (an increase in the number of barrels of oil produced) could be the fact that population has also risen significantly since 1910. Moreover, we have also increased our reliance on oil products, such as gasoline and plastic.

B) This trend is not sustainable because of two reasons. First, oil is a non-renewable resource, which means that there is only a limited quantity of it. We will eventually run out of oil. Another reason is that the use of oil greatly pollutes the environment and contributes to global warming, which threatens to destroy the world as we know it.

C) There are several possible strategies. We could use electric cars as opposed to regular ones. We could also reduce our reliance on plastic products.

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What is the pH of a solution has a hydrogen ion concentration of 6.3 x 10–10 M? Show work
NISA [10]

Answer:

pOH = 4.8

pH = 9.2

Explanation:

Given data:

Hydrogen ion concentration = 6.3×10⁻¹⁰M

pH of solution = ?

pOH of solution = ?

Solution:

Formula:

pH = -log [H⁺]

[H⁺] = Hydrogen ion concentration

We will put the values in formula to calculate the pH.

pH = -log [6.3×10⁻¹⁰]

pH = 9.2

To calculate the pOH:

pH + pOH = 14

We will rearrange this equation.

pOH = 14 - pH

now we will put the values of pH.

pOH = 14 - 9.2

pOH = 4.8

7 0
3 years ago
Which should be kept away from heat sources? Check all that apply.
Maru [420]

Answer:

loose hair, flammable clothing, and all stored chemicals especially flammable liquids., should be kept away from heat.

A fire blanket is a highly flame-resistant blanket that can be used to extinguish a small fire or to wrap around a person in case of a fire and water helps put it out too.

7 0
3 years ago
Read 2 more answers
A student finds that the water's temperature went from 18oC to 38oC. Calculate how many calories are in the peanut.
Norma-Jean [14]

Answer:

567 calories.

Explanation:

There 567 calories in 100 grams of peanut. In 100 grams of peanut, 49 gram is the fat, 26 grams of protein, 16 grams of carbohydrates, Sodium is 18 mg, Potassium is 705 mg. Calcium is present in peanut about 9%, Iron is 25% , Vitamin B-6 is 15%  and Magnesium is 42% of their total weight. Oil content is high in the Peanut so this is the reason for high calories in peanut. It is a good source of proteins and potassium.

4 0
3 years ago
An energy profile for the reaction A⇌B (left), and the change in concentration of B as a function of time (right), with and with
RoseWind [281]

Answer:

<em>What quantity dictates the speed of a reaction?</em> The activation energy

Explanation:

According to the collision theory, when molecules collide, they must overcome an energy barrier for the reaction to take place. This energy, known as activation energy, is represented by the difference in energy between the initial state and the transition state. The higher the activation energy, the slower the reaction. That's why catalysts reduce the activation energy to accelerate the reaction.

3 0
4 years ago
Calculate the mass (in g) of 2.1 x 1024 atoms of W.
Monica [59]
Atomic mass W = 183.84 u.m.a

183.84 g ----------- 6.02x10²⁴ atoms
?? g ---------------- 2.1x10²⁴ atoms

2.1x10²⁴ x 183.84 / 6.02x10²⁴ =

3.860x10²⁶ / 6.02x10²⁴ = 641.30 g

hope this helps!
4 0
3 years ago
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