Is 4H2O an organic molecule ?

Answers

Answer 1

Answer:

it is an organic molecule

Explanation:

it's a compound called chromium, phosphate tetrahydrate, where tetra stands for 4 , as there are four water molecules attached to the compound.


Related Questions

curd and milk are what acid​

Answers

Answer:

lactic acid

Explanation:

and this is broken down by the enzyme lactase

What’s the first thing you should always do before starting a lab

Answers

Review your instructions

49.2 m = _________ hm

Answers

The answer is 0.492 because there are 100 meters in a hectometer, and 49.2/100 is 0.492

It has been proposed that mitochondria and chloroplasts are modern descendants of early prokaryotic cells that began to reside and gradually evolve within primitive cells.

Answers

Answer:

mitochondria and chloroplasts both have prokaryotic ribososmes

Explanation:

Mitochondria and chloroplasts are the modern descendants of early prokaryotic cells. These lived in primitive cells and later developed into part of them. This hypothesis is supported because both mitochondria and chloroplasts have their own primitive ribosomes. These two organs contain 70s ribosomes.

What is the answer 24.3m

Answers

Hello. How to convert 24.3 foot to meters? ... And the answer is 79.7244094487 ft in 24.3 m.

How are elements with atomic masses greater than Uranium’s made?

Answers

Atoms heavier that uranium do not exist in nature.they must be synthesized in a particle accelerator.

Answer:Atoms heavier that uranium do not exist in nature.they must be synthesized in a particle accelerator

Explanation:

How many kinds of atoms are there

Answers

Answer:

there are more than 109 different types of atom - one for each element.

Which amino acid is least likely to produce a hydrogen bond with water or polar molecules?

Answers

9 amino acids (alanine, cysteine, glycine, isoleucine, leucine, methionine, phenylalanine, proline, valine) have no hydrogen donor or acceptor atoms in their side chains.

which best represents a particle containing 28 protons, 26 electrons,and 34 neutrons?

Answers

Answer:

This question lacks options, but the question can be answered based on knowledge of proton, electron and neutron number. The answer is:

62 Ni2+ particle

Explanation:

Nickel is a chemical element with atomic number 28. This means it has 28 electrons and 28 protons in its neutral atom. However, the isotope of nickel being described in the question has a mass number of 62. The mass number is calculated by adding the proton number with the neutron number. That is;

Mass number = number of protons + number of neutrons

Mass number = 28 + 34

Mass no. = 62

An element with mass number 62, which has lost two electrons to become positively charged (two positive charges) is described in the question. Hence, the particle that best fits this description is positively charged Nickel particle (Ni2+).

Ni2+ has 28 protons, 26 electrons (reduced by 2) and 34 electrons.

Note that, the 2+ charge is as a result of the loss of two electrons, hence, reducing the electron number by 2.

A car drives with constant speed of 112km/h. How long will it take to travel to distance of 56 kilometers?

Answers

112 km is travelled by car in 60 minutes

1 km is travelled by car in 60/112 minutes

56 km is travelled by car in 60/112*56 = 30 minutes  = 0.5 hours

Explanation:

This element has three fewer protons than oganesson 

Answers

Answer:

ununpentium

Explanation: this is element 115, Oganesson has 118

The atomic number of oganesson is 118. The element which  is having three fewer protons than oganesson is moscovium (Mc) (115).

What is oganesson?

Oganesson is a newly found element synthesized in 2002 and is placed as 118'th element in the periodic table.  In modern periodic table, the elements are arranged based on their atomic number.

Atomic number is the number of protons in the atom as well it is the number of electrons in the neutral atom. For a neutral atom the number of electrons are protons are equal.

Thus in a neutral atom the positive charges are neutralized by equal number of negative charges.

Thus, for 118'th element, there are 118 protons, three fewer from this means, there are 115 protons, the 115'th element in the modern periodic table is moscovium.

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What are the units for Rf values? Please help!

Answers

Answer:

Microwatts.

Explanation:

RF + EMF Unit Conversion Charts: Interpreting exposure levels. When measuring Radio Frequencies, the most common units of measurement are microwatts per square meter (µW/m2), microwatts per square centimeter (µW/cm2) and volts per meter (V/m).

Answer:

No units

Explanation:

In Thin Layer Chromatography (TLC), retention factor (Rf value) is found by taking the distance travelled by the spot divided by the distance of the solvent front. Rf value is a ratio of distances hence they have no units.

Mathematical derivation

The distance travelled by the spot is in cm, and that of the solvent front is also in cm. Thus, dividing the two units would give us no units for the Rf value.

What is TLC?

TLC is a technique used for separation and identification. The stationary phase is polar while the solvent is relatively nonpolar. Thus, the less polar substance is more attracted to the solvent (according to the principle of 'like attracts like') and travels further and thus have a higher Rf value.

To learn more about Rf values, check out: https://brainly.com/question/14393140

When salt is placed on ice the ice melts. explain why?

Answers

Explanation:

When salt is added to ice, salt first dissolves in the film of liquid water that is always present on the surface, thereby lowering the ice's freezing point

please mark as brainliest ,I really need it

Why are some isotopes radioactive and some are not?

Answers

Answer: there are atoms that either have too many or too few neutrons or protons in their nuclei. This results in an imbalance between the jedi forces holding them together, which leads to an excess of internal energy. Such atoms are said to be unstable or radioactive.

Explanation:

4. What is the proper way to prepare an acid solution?

Answers

Answer:

Always add acid to a large volume of water. The solution may then be diluted with additional water to make one liter. You'll get an incorrect concentration if you add 1 liter of water to the acid.

An acid is concentrated solution hence, it should be added to considerable quantity of water. The required volume can then be adjusted by adding more water.

What are the properties of an acid?

Acids form aqueous solution and have the property of electric conductivity. Acids reacts with other molecules by forming a covalent bond.

Acids are corrosive in nature, sticky to touch, tastes sour and have strong smell.

Acids can be qualitatively detected through litmus test. They turn blue litmus paper red. Their pH is < 7 on pH scale.

Acids can be classified as:

Strong acids - are the acids that dissociate in water completely.Weak acids - are the acids that partially dissociate in water.

Chemically, acids can react with other metals, carbonates and bases. Common examples of acids are vinegar (acetic acid), hydrochloric acid (HCl), sulfuric acid (H2SO4) etc.

Acids are found in food items such as citrus fruits. Acetic acid is widely used in certain food preparations and as food preservative. Acids are commercially used in dyes, paints and in soft drinks.

Thus, acids are important in many chemical reactions.

Learn more about acids, here:

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Which rock is an example of a clastic sedimentary rock

Answers

Answer:

common sedimentary rocks include sandstone, limestone, and shale.

A six row combin harvests 266 pounds of corn per min. How many bushels of corn does it harvest per hour? (Note: 1 Bu = 56 Lbs) Round to the nearest Whole Number.

Answers

Answer:

The six-row combin harvests 285 bushels of corn per hour.

Explanation:

The rule of three or is a way of solving problems of proportionality between three known values and an unknown value, establishing a relationship of proportionality between all of them. That is, what is intended with it is to find the fourth term of a proportion knowing the other three.

If the relationship between the magnitudes is direct, you can apply the following formula:

a ⇒ b

c ⇒ x

So: [tex]x=\frac{a*b}{c}[/tex]

In this case you can apply it in the following way: if 56 pounds is equal to 1 bushel, 266 pounds to how many bushels is it?

[tex]x=\frac{266 pounds*1 bushel}{56 pounds}[/tex]

x=4.75

This is, a six row combin harvests 4.75 bushels of corn per min.

So, being 1 hour equal to 60 minutes, you can apply the following rule of three: if in 1 minute a six-row harvester harvests , in 60 minutes how many bushels of corn it harvests?

[tex]bushels of corn=\frac{60 minutes*4.75 bushels of corn}{1minute}[/tex]

bushels of corn=  285

The six-row combin harvests 285 bushels of corn per hour.

I need help with this please.​

Answers

C
E
B
D
F
A
Hope this helps!!

Which of the following is NOT a "big idea" in chemistry?

A. Every chemical process uses or produces energy.
B. Elements are held together by strong forces called chemical bonds.
C. Matter is created or destroyed in order to form new chemical substances.
D. Chemical reactions are processes in which reactants change to form products.

Answers

B but im not sure if im 100% correcr

Describe how the charges of the subatomic particles interact with one another.

Answers

Answer:

Electrons, Protons, and Neutrons. ... Protons are another type of subatomic particle found in atoms. They have a positive charge so they are attracted to negative objects and repelled from positive objects. Again, this means that protons repel each other

If one gram of water has a volume of one milliliter, what would the mass of one liter of water be in kilograms?​

Answers

Answer:

And
ρ

=

Unit mass
Unit volume
Here
ρ

=

1

g
1

m
L

=

1

g

m
L

1
i.e.
mass

=

Volume
×
ρ

=
1

L
×
10
3

m
L

L

1
×
1

g

m
L

1
=

10
3

g
×
10

3

k
g

g

1
=
———————-
= 1 • kg

Why will a toy train remain still if you push on the engine with
A force of 3 N and your friend push on the caboose with a
Force of 3 N?

Answers

Explanation:

Because when two equal forces are applied from opposite directions, they "eliminate" each other.

The train would go right if a 3N force was only applied in the right direction, and it would go left if the same force was only applied to the left.

If a 3N force was applied to the right and a 2N force to the left, it would equal a 1N force to the right (3-2=1).

But there it's 3-3=0, so in practice the force is 0N. Therefore the train won't move.

Which of the samples pictured is most likely a nonmetal?

Answers

Answer:

its C

Explanation:

When a scientist analyzes experimental results, the scientist is generally:

Answers

creating graphs and preforming calculations

The power to conduct elections is what type of power

Answers

Answer:

Unlike delegated powers, they are not listed specifically, but are guaranteed by the Tenth Amendment: "The powers not delegated to the United States by the Constitution, not prohibited by it to the States, are reserved to the States respectively, or to the people." Some traditional reserved powers include regulating ...

Explanation:

If 5.0 g of copper cools from 35.0oC to 22.6 oC and loses 23.6 J of heat, what is the specific heat of copper? a. 0.038 J/(g. oC) b. 0.62 J/(g. oC) c. 0.076 J/(g. oC) d. 0.38 J/(g. oC)

Answers

Answer:

c = 0.38 J/(g-°C)

Explanation:

Given that,

Mass of copper, m = 5 g

Initial temperature, [tex]T_i=35^{\circ} C[/tex]

Final temperature, [tex]T_f=22.6^{\circ} C[/tex]

When copper cools, it looses 23.6 J of heat. We need to find the specific heat of copper. The heat lost is given by :

[tex]Q=mc\Delta T[/tex]

c is specific heat

[tex]c=\dfrac{Q}{m\Delta T}\\\\c=\dfrac{23.6}{5\times (22.6-35)}\\\\c=0.38\ J/g-^{\circ} C[/tex]

Hence, the correct option is d.

49. Carry out the indicated temperature conversions.
40 °C to Fahrenheit degrees
b. -40 °F to Celsius degrees
c. 232 K to Celsius degrees
d. 232 K to Fahrenheit degrees

Answers

Answer:

sorry but dorks dont learn maths

Explanation:

just kidding no offense but i think umm 1st one will stay same

i searched google

Shreya spent $16 on a magazine and some
erasers. If the magazine cost $7 and each
eraser cost $3, then how many erasers did
she buy?

Answers

Answer:

she bought 3  erasers an got two dollars back

Explanation:

She bought 3 erasers. 16-7=9. 9 / 3 = 3.

Which molecule is sometime referred to as “the recipe book for how to make a protein"?

Answers

Answer:

RNA molecules

Explanation:

RNA molecules carry the instructions that are necessary to create proteins

Answer:

RNA molecules

Explanation:

RNA molecules carry the instructions that are necessary to create proteins

standard units of measure for density

Answers

Answer:

g/cm³ for solids,

g/ml for liquids

g/L for gases.

Explanation:

Though SI unit of density is kg/m³, for convenience we use g/cm³ for solids, g/ml for liquids and g/L for gases. Mathematically, density is defined as mass divided by volume:   ρ=m/V    

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