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3 years ago

What are some of the positive and negative effects of the use of plastics?

Chemistry

1 answer:

trapecia [35]3 years ago

4 0

Answer:

Positive: Save fuel and reduces greenhouse gas

Negative: Harmful to human and animal health ( underwater animals), Hurts the food chain

Explanation:

I got it from a video. Hopefully it helps you.

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if a person in a boat sailed straight across to other side of this lake, which of these statements would be true about the trip?

LUCKY_DIMON [66]

There’s no statements I can’t answer

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3 years ago

Why do elements in the same family generally have a similar properties ?

sattari [20]

Answer:The elements have the same number of electrons in the outer ring so they react with the same substances

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3 years ago

What is the value of the σ∗1s mo wave function at the nodal plane?

Leona [35]

Answer:

There is None

Explanation:

This is because it is a derived function dependent on other factors.

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3 years ago

Read 2 more answers

HC2H3O2 (aq) + H2O (l) ⇔ C2H3O2- (aq) + H3O+ (aq) Ka = 1.8 x 10-5

marin [14]

The concentration of [H3O⁺]=2.86 x 10⁻⁶ M

<h3>Further explanation</h3>

In general, the weak acid ionization reaction

HA (aq) ---> H⁺ (aq) + A⁻ (aq)

Ka's value

$\large {\boxed {\bold {Ka \: = \: \frac {[H ^ +] [A ^ -]} {[HA]}}}}$

Reaction

HC₂H₃O₂ (aq) + H₂O (l) ⇔ (aq) + H₃O⁺ (aq) Ka = 1.8 x 10⁻⁵

$\tt Ka=\dfrac{[C_2H_3O^{2-}[H_3O^+]]}{[HC_2H_3O_2]}}\\\\1.8\times 10^{-5}=\dfrac{0.22\times [H_3O^+]}{0.035}$

[H₃O⁺]=2.86 x 10⁻⁶ M

5 0

3 years ago

An object has a density of 16.3 g/mL and a volume of 0.46 L. Calculate the

deff fn [24]

Answer:

16.53 pounds

Explanation:

this type of problem needs convertion method we need to convert from grams to pound.

3 0

3 years ago