True or False? Nitrogen can get back into the atmosphere when dead plants and animals are decomposed by bacteria. The bacteria break down the larger molecules into smaller ones including nitrates, ammonia, and ultimately N2. True or Fralse

Answers

Answer 1

Answer: True

Explanation:

Answer 2

Answer:

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Related Questions

Will give Brainlest for correct answers
How is kinetic energy affected by temperature

Answers

Answer:

Temperature affects the kinetic energy in a gas the most, followed by a comparable liquid, and then a comparable solid. The higher the temperature, the higher the average kinetic energy, but the magnitude of this difference depends on the amount of motion intrinsically present within these phases

Explanation:

I just know lol

The higher the temperature, the higher the average kinetic energy, but the magnitude of this difference depends on the amount of motion intrinsically present within these phases.

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:

The sum of the number of protons and neutrons in an atom is called the ________ of the element. 1. Molar Mass 2. Atomic number 3. Average atomic mass 4. Mass number
o2 o4 o3 o1​

Answers

Answer:

The sum of the number of protons and neutrons in an atom is called the Mass number.

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.

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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.

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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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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

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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    

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.

find the volume. mass is 9.75 g and the density is 15.6 g/cm3​

Answers

Answer:

1.6cm3

Explanation:

density = mass/volume

15.6g/cm3= 9.75 g/volume

15.6/9.75 = volume

1.6cm3 = volume

As a star uses up its hydrogen supply, it changes from a main sequence star to a -
A.) dwarf
B.) supernova
C.) black hole
D.) giant

Answers

B is the correct answer

As a star uses up its hydrogen supply, it changes from the main sequence star to a Giant. Thus, the correct option for this question is D.

What is a Star?

A star may be defined as a type of huge celestial body that is generally constructed of hydrogen and helium that produce light and heat from the churning nuclear forges inside their cores. They are the luminous bodies that are visible in the sky at night.

A giant is a type of star that has utilized its hydrogen supply in its cores and transformed itself into the thermonuclear fusion of hydrogen in the shell that envelops its surroundings.

This creates an outwards force and stimulates fusion that initiates to increase and hence the star can not able to maintain its equilibrium longer.

Therefore, as a star uses up its hydrogen supply, it changes from the main sequence star to a Giant. Thus, the correct option for this question is D.

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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:

how many grams in 5mg

Answers

Answer:

0.005

Explanation:

I looked it up

Explanation: It's important to understand that "mg" is the abbreviation

for milligrams and "g" is the abbreviation for grams.

To convert 5 milligrams into grams, we first find the conversion factor

for milligrams and grams, which is 1,000 milligrams = 1 gram.

Next, notice that we're going from a smaller unit,

milligrams, to a larger unit, grams, so we divide.

Whenever we go from a smaller unit to a larger unit,

we will divide by the conversion factor.

So we have 5 mg ÷ 1,000.

When dividing by a power of 10, we can count the number of zeroes

in the power of 10 and move the decimal point that many places to the left.

So our answer is 0.005 grams.

curd and milk are what acid​

Answers

Answer:

lactic acid

Explanation:

and this is broken down by the enzyme lactase

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.

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

Answers

Review your instructions

I need help with this please.​

Answers

C
E
B
D
F
A
Hope this helps!!

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

How many kinds of atoms are there

Answers

Answer:

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

how many significant figures in 12.030?

Answers

Answer:

5

Explanation:

because the 0 is Sig because there is a point and other numbers

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.

A researcher is measuring changes in the density of the upper atmosphere over time. Which units should be used for the density measurements?

Answers

Answer:

lbm/ft³ or psi/ft

Explanation:

The description in the question shows the density to measured is that of gases (upper atmosphere). The density of a gas can be described as the mass of the gas divided by the volume of the gas at a certain temperature and pressure. It's unit can be represented as lbm/ft³ or psi/ft.

NOTE:

"lbm" means "lean body mass" which is a unit for mass or weight and can be described as the pound mass

"psi" means "pound per square inch"; is also a unit for mass or weight

what is your definition of science?

**ANSWER AND ILL GIVE YOU BRAINLIEST ANSWER**

Answers

1 : knowledge about the natural world that is based on facts learned through experiments and observation. 2 : an area of study that deals with the natural world (as biology or physics) 3 : a subject that is formally studied the science of linguistics.

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.

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.

The reaction between a strong acid and a weak base produces a salt, but water is not usually formed because:
the reaction is too hot and water evaporates

there is no hydrogen present to form water

the acid is not strong enough to form water

weak bases tend not to be hydroxides

Answers

Answer:

3

Explanation:

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:

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

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

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:

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