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elena-14-01-66 [18.8K]
2 years ago
15

Why was plastic first invented? How is plastic bad for the environment?​

Chemistry
2 answers:
olya-2409 [2.1K]2 years ago
8 0

Answer: The first plastic based on a synthetic polymer was invented in 1907.  Plastic sticks around in the environment for ages, threatening wildlife and spreading toxins.

andriy [413]2 years ago
6 0
Not sure how it was invented but it had for the environment cause it causes plastic particles killing anything or endangering those that consume it.
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What happens to the sugars that are made during photosynthesis?
KiRa [710]
The sugars (c6h12o6) or the glucose that is made during photosynthesis is turned into glucose cellulose or starch that the plant can use for energy and food for the plant. Hope this helps.
8 0
3 years ago
A beaker cannot be used for measuring the volume of a liquid because _____.
Ad libitum [116K]

Answer:

Data obtained can't be accurate.

Explanation:

A beaker can't be used for measuring the volume of a liquid because they did not calculate volume of a liquid accurately and precisely. The marks present on the beaker are not accurate, it is just an estimate so by measuring the volume of any liquid using beaker give us a false data so that's why beaker are not used for the measurement of a volume.

4 0
3 years ago
An object has a mass of 5.52 g and a volume of 12 mL. What is the density of the object?
Rudik [331]

Answer:

<h2>Density = 0.46 g/mL</h2>

Explanation:

Density of a substance can be found by using the formula

<h3>Density =  \frac{mass}{volume}</h3>

From the question

mass = 5.52 g

volume = 12 mL

Substitute the values into the above formula and solve for the Density

That's

<h3>Density =  \frac{5.52}{12}</h3>

We have the final answer as

<h3>Density = 0.46 g/mL</h3>

Hope this helps you

4 0
2 years ago
Balancing nuclear equations is slightly different than balancing chemical equations. The major difference is that in nuclear rea
vesna_86 [32]

Answer:

The correct answer is - 4.

Explanation:

As we known and also given that the total of the superscripts that is mass numbers, A in the reactants and products must be the same.The mass of products A can understand and calculated by this -

The sum of the product mass number of products = mass of reactant

237Np93 →233 Pa91 +AZX is the equation,

Solution:

Mass of reactants = 237

Mass of products are - Pa =233 and A = ?

233 + A = 237

A = 237 - 233

A = 4

So the equation will be:

237Np93 →233 Pa91 +4He2 (atomic number Z = 2 ∵ difference in the atomic number of reactant and products)

5 0
2 years ago
What is the frequency of a photon that has a wavelength of 6.58 x 10-8m?
julsineya [31]

Answer:

6 x 10 (power to the 15) H2

5 0
2 years ago
Read 2 more answers
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