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3 years ago

Describe one action that people can take to reduce the amount of petroleum or crude oil needed by the plastics facility

Chemistry

1 answer:

Usimov [2.4K]3 years ago

4 0

Answer:

Use bags that are not of plastic and that we can reuse.

Explanation:

To reduce the number of petroleum, people should use everyday things that do not have plastic in their composition. For example, drink water from a flask made of iron, take your mug to the coffee store or use cloth bags. These elements are not disposable, and we can use them multiple times, which leads to a reduction in the consumption of plastic products and the amount of petroleum needed for their production.

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Describe how a wave is reflected on flat surfaces and curved surfaces?

fiasKO [112]

Answer and explanation:

On a flat, smooth surface, such as a flat mirror, all rays that strike the same direction will be reflected at the same angle.

Parallel rays that fall on a flat surface will remain parallel after reflection. The reflection on these smooth surfaces is called specular reflection.

When the surface is irregular, such as a curved or rough surface, the rays that appear at different positions on the surface arrive at different angles of incidence, because there are normal changes along the surface.

The angle of reflection remains the same as that of incidence, but they are reflected at different angles for those looking at the surface. This type of reflection is called diffuse reflection.

5 0

3 years ago

What reaction type is <br> 4+22⟶4+22

aivan3 [116]

Answer: $CF_{4} + 2Br_{2} \rightarrow CBr_{4} + 2F_{2}$ is a single replacement reaction.

Explanation:

A chemical reaction in which one element of a compound is replaced by another element is called single replacement reaction.

For example, $CF_{4} + 2Br_{2} \rightarrow CBr_{4} + 2F_{2}$

Here, fluorine element in the compound $CF_{4}$ is replaced by the element bromine.

Therefore, it is a single replacement reaction.

Thus, we can conclude that $CF_{4} + 2Br_{2} \rightarrow CBr_{4} + 2F_{2}$ is a single replacement reaction.

6 0

3 years ago

When the pH value of a solution is changed from 2

inna [77]

increases my factor of 10

6 0

4 years ago

Consider the reaction data.

Snowcat [4.5K]

Answer:

(a) x₁= 0.004 444; (b) y₁ = -0.9545; (c) x₂ = 0.001 905; (d) y₂ = -0.4541;

(e) rise = 0.5004; (f) run = -0.002 539; (g) slope = -197.1; (h) Eₐ = -1.64 kJ·mol⁻¹

Explanation:

This is an example of the Arrhenius equation:

$k = Ae^{-E_{a}/RT}\\\text{Take the ln of each side}\\\ln k = \ln A - \dfrac{E_{a}}{RT}\\\\\text{We can rearrange this to give}\\\ln k = -\left ( \dfrac{E_{a}}{R} \right )\dfrac{1}{T} + \ln A$

Thus, if you plot ln k vs 1/T, you should get a straight line with slope = -Eₐ/R and a y-intercept = lnA

(a) x₁

x₁= 1/T₁ = 1/225 = 0.004 444

(b) y₁

y₁ = ln(k₁) = ln0.385 = -0.9545

(c) x₂

x₂= 1/T₂ = 1/525 = 0.001 905

(d) y₂

y₂ = ln(k₂) = ln0.635 = -0.4541

(e) Rise

Δy = y₂ - y₁ = -0.4541 - (-0.9545) = -0.4541 + 0.9545 = 0.5004

(f) Run

Δx = x₂ - x₁ = 0.001 905 - 0.004 444 = -0.002 539

(g) Slope

Δy/Δx = 0.5004/(-0.002 539) K⁻¹ = -197.1

(h) Activation energy

Slope = -Eₐ/R

Eₐ = -R × slope = -8.314 J·K⁻¹mol⁻¹ × (-197.1 K⁻¹) = 1638 J/mol = 1.64 kJ/mol

3 0

3 years ago

EXPLAIN THE PROCESS OF SEPERATING A MIXTURE CONSISTING OF IRON fillings and sand in a plastic bowl

devlian [24]

<h3>- - - - - - - - - - - - - - - ~Hello There!~ - - - - - - - - - - - - - - - </h3>

➷ Iron would be attracted to a magnet therefore, you can hover a magnet over the mixture. Doing this would lift out the iron fillings, leaving the sand behind.

➶ Hope This Helps You!

➶ Good Luck (:

➶ Have A Great Day ^-^

↬ ʜᴀɴɴᴀʜ ♡

5 0

3 years ago