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3 years ago

Which of the following would

Chemistry

1 answer:

nadezda [96]3 years ago

4 0

Answer: A forest

Explanation:

Moss are more likely to be found in moist shady locations. They are best known for those species that carpet woodland and forest floors.

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Q2. Name, constituent of petroleum (Petrochemicals) which is used for following purposes.

finlep [7]

The constituents of petroleum that are used for the following purposes are as follows:

To make candles ----- Paraffin wax
A solvent for dry cleaning ----- Petrol
For surfacing roads ----- Bitumen
Jet engine fuel ----- Kerosene
For lubrication ----- Lubricating oil.

<h3>What are the constituents of petroleum?</h3>

The constituents of petroleum are LPG, bitumen, paraffin wax, lubricating oil, kerosene, diesel, etc. These compounds are a mixture of hydrocarbons.

Therefore, each constituent of petroleum that is used for the following purposes is mentioned above with proper names.

To learn more about constituents of petroleum, refer to the link:

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7 0

2 years ago

How many people are on the island that has 4 turtles?

kirill115 [55]

There are 3/400 people on the island.

Given:

There are 4 turtles on the island.

To find:

The number of people on the island.

Solution:

Number of turtles = 4

$30 turtles =1 anchor\\\\1 turtle= \frac{1}{30}\\\\4 turtles = 4\times \frac{1}{30} anchors= \frac{4}{30} anchors\\\\1 monkey = 100 anchors\\\\1 anchor=\frac{1}{100} monkey\\\\ \frac{4}{30} anchors= \frac{4}{30} anchors\times \frac{1}{100} =\frac{4}{3000} monkeys\\\\$

$1 monkey = 30 palm trees\\\\ \frac{4}{3000} monkeys=\frac{4}{3000}\times 30 \text{palm trees}=\frac{4}{100}\text{palm trees}\\\\12 pineapples = 1 \text{palm trees}\\\\\frac{4}{100}\text{palm trees}=12\times \frac{4}{100}pineapples=\frac{48}{100} pineapples\\\\$

$20 ducks = 32 pineapples\\\\1 pineapple=\frac{20}{32} ducks\\\\\frac{48}{100} pineapples=\frac{20}{32} \times\frac{48}{100} ducks=\frac{960}{3200} ducks\\\\40 ducks = 0.5 lizards\\\\1 duck = \frac{0.5}{40} lizards\\\\$

$\frac{960}{3200} ducks= \frac{0.5}{40} \times\frac{960}{3200} lizards=\frac{480}{128,000}lizards\\\\1 lizard = 4 \text{foot prints}\frac{480}{128,000}lizards=4\times \frac{480}{128,000}\text{foot prints}=\frac{1920}{128,000} \text{foot prints}\\\\1 foot print = 1eye\\\\$

$\frac{1920}{128,000} \text{foot prints}=1\times \frac{1920}{128,000} eye= \frac{1920}{128,000} eye\\\\1 hand = 1 eye\\\\ \frac{1920}{128,000} eye=1\times \frac{1920}{128,000} hand= \frac{1920}{128,000} hands\\\\1 person = 2 hands\\\\$

$1 hand =\frac{1}{2} persons\\\\\frac{1920}{128,000} hands=\frac{1}{2}\times \frac{1920}{128,000} persons=\frac{960}{128,000} persons\\\\=\frac{3}{400} persons$

There are 3/400 people on the island.

Learn more about conversions here:

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3 0

2 years ago

Describe how you could prove that a bicycle is matter

Ainat [17]

Answer:

Explanation:

Matter is anything that has weight and occupies space.

To prove that a bicycle is a matter, we need to show that it has weight and will occupy space.

When you put the bicycle on a weighing scale, you will see the weight of the bicycle. This a proof that bicycle is a matter.

To show that the bicycle can occupy space, place the device in a tank full of water. From the tank, the bicycle will displace some water. Substances that cannot occupy space will not behave in such manner.

5 0

3 years ago

Equilibrium is established between a liquid and its vapor when A. the rate of evaporation equals the rate of condensation. B. eq

Advocard [28]

Answer:

Explanation:

the rate of evaporation equals the rate of condensation.

6 0

4 years ago

Describe how chemists use mass as a way of getting a precise estimate of the number of entities in a sample.

jok3333 [9.3K]

Answer:

Explanation:

To start with, the mass of a substance is centered on the amount of particles contained in it.

Mass of a substance measure is the same anywhere it is taken.

In chemistry, the concept of mole is used to find the exact estimate of the number of entities in a sample.

A mole of substance is quantity that is used to express the number of particles contained in it.

1 mole of any substance contains the Avogadro's number of particles.

This amount of particles is given as 6.02 x 10²³; the particles can be protons, neutrons, electrons e.t.c.

To find the number of moles;

Number of moles = $\frac{mass}{molar mass}$

Through this, we clearly ascertain the number of entities in a sample given the mass.

5 0

3 years ago