Which formula represents an organic compound?( l) CaH2 (3) H2O2

(2) C4H8 (4) P2O5

Answers

Answer 1

Answer:

Answer: The correct answer is Option 2.

Explanation:

Organic compounds are defined as those compounds in which a covalent bond is present between hydrogen and carbon atom. They are basically known as hydrocarbons. If any atom other than hydrogen and carbon is present, it is not considered as an organic compound.

From the given options:

Option 1: $CaH_2$

A, calcium atom is present, so it is not considered as an organic compound.

Option 2: $C_4H_8$

As., only carbon and hydrogen atom is only present, so it is considered as an organic compound.

Option 3: $H_2O_2$

As, oxygen atom is present, so it is not considered as an organic compound.

Option 4: $P_2O_5$

As, phosphorous and oxygen atoms are present, so it is not considered as an organic compound.

From the above information, the correct answer is Option 2.

Answer 2

Answer:

The formula (2) $C_4H_8$ represents an organic compound.

What is an Organic compound

Organic compounds are compounds that primarily consist of carbon (C) and hydrogen (H), along with other elements such as oxygen, nitrogen, sulfur, and others. The formula $C_4H_8$ represents an organic compound that contains four carbon atoms (C₄) and eight hydrogen atoms (H₈).

These examples represent a small fraction of the vast array of organic compounds found in nature and synthesized in laboratories.

Hence we can say that option 2 is right. $C_4H_8$ represents an organic compound.

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Give examples of areas in which advances in genetics are important

An element contains only one kind of A.) particle.
B.) property
C.) protein
D.) raw material

Answers

Answer:

particle

Explanation:

if there were more than one kind of particle, it would be a compound.

When 943 J of heat is added to 10 grams of oil at 28˚C , the temperature increases to 89˚C. What is the specific heat of the oil? PLZZZ HELP

Answers

Answer: 1.55 Jg°C

Explanation:

The quantity of Heat Energy (Q) required to heat a substance depends on its Mass (M), specific heat capacity (C) and change in temperature (Φ)

Thus, Q = MCΦ

Since,

Q = 943 joules

Mass of oil = 10g

C = ? (let unknown value be Z)

Φ = (Final temperature - Initial temperature)

= 89°C - 28°C = 61°C

Then, Q = MCΦ

943 J = 10g x Z x 61°C

943J = 610g°C x Z

Z = (943J / 610g°C)

Z = 1.55 Jg°C

Thus, the specific heat of the oil is 1.55 Jg°C

Which volume is the smallest?A. One milliliter
B. One deciliter
C. One liter
D. One microliter

Answers

Answer:

d) one microliter

Explanation: The advantage of the SI (International system of measurements) is that everything is in base 10, and the prefix indicates the power of 10.

For the volume, the base unit is the liter.

one microliter = 0.000001 liter (one millionth, 1 / 1000000, of a liter)

one deciliter = 0.1 liter (one tenth, 1/10, of a liter)

one liter = 1 liter

one milliliter = 0.001 liter (one thousand, 1/1000, of a liter)

As you can see, a microliter is by far the smallest of these units.

Final answer:

The smallest volume unit among the given options (One milliliter, One deciliter, One liter, One microliter) is One microliter.

Explanation:

The volume of a substance is a measure of the space it occupies. In this case, we need to identify the smallest unit of volume from the given options. The unit, microliter (represented by µL), is the smallest volume unit among the options. Here's a quick breakdown:

1 milliliter (mL) = 1000 microliters (µL)
1 deciliter (dL) = 100 milliliters (mL) or 100000 microliters (uL)
1 liter (L) = 10 deciliters (dL) or 1000 milliliters (mL) or 1000000 microliters (µL)

So, the correct answer to your question is D. One microliter.

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Why is the science method important for experiments?

Answers

The scientific method is important for experiments because it allows scientists to have a step by step process while producing an experiment.

How does waste filtered by kidneys leave the body? A) It leaves through breath as humans exhale. B) It leaves through the skin as sweat. C) It leaves through the urethra as urine. D) It leaves through the nose and mouth as excess mucus

Answers

Answer:

i don't know if this is correct just let me know if it is

Explanation:

i would say C but (for later knowledge) the unfiltered waste would come out as kidney stones

Answer:

C it’s part of the excretory system just like the urethra

What were the limitations of democritus's ideas about atoms

Answers

he thought that atoms were the smallest particle and could not be divided any more. the word 'atomos' which atom is derived from, means indivisible. we now know that atoms are made of sub-atomic particles, which are made of quarks (what sort of name is that), and these quarks are made of leptons and gluons.

Final answer:

Democritus's ideas about atoms were limited in that he claimed they were indivisible and indestructible, lacked experimental evidence, and didn't account for chemical behavior or atomic bonding.

Explanation:

Democritus, an Ancient Greek philosopher, made significant strides in atomic theory. However, his ideas had several limitations. Firstly, he believed that atoms were indivisible and indestructible, which we now know is incorrect, with subatomic particles like protons, neutrons, and electrons forming atoms. Secondly, Democritus had no experimental evidence to support his ideas, they were purely philosophical. Lastly, his theory did not account for chemical behavior or the bonding of atoms, concepts that are now fundamental to our understanding of chemistry.