can someone help me please​

i’m pretty sure it all of them!

ALL options above described can impact the wind patterns.

In conclusion, ALL options above described can impact the wind patterns.

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Answer:

The mass of O₂ that will be needed to burn 36.1 g B₂H₆ is 125.29 g.

Answer:

I'm not totally sure but I think that it is C-carbon

Explanation:

because its in the area of +1+2+3 4 -3 -2 -1

Answer:

because u need one more assianment before it becomes 100

Explanation:

Answer:

Flash Flood

Explanation:

On July 31, 1976, during the celebration of Colorado's centennial, the Big Thompson Canyon was the site of a devastating flash flood that swept down the steep and narrow canyon, claiming the lives of 143 people, 5 of whom were never found.

Answer:

100.5 J

Explanation:

Answer:

buffer solution

Explanation:

Answer:

2x( 1.008 g/mol) +1 x (15.999 g/mol) = 18.015 g/mol

Explanation:

The mass of 1 mole of water (H2O) is 2x( 1.008 g/mol) +1 x (15.999 g/mol) = 18.015 g/mol

One mole of water is about 18 milliliters.

This is the volume of a few drops of water, 3.65 teaspoons, 1.2 tablespoons, or 0.018 liters. It's not a large volume, yet it contains 6.022 x 1023 water molecules! You can use the same steps to find the mass and volume of any other substance.

18.02 g

So, one mole of water (6.022 x 10 23 molecules) has a mass of 18.02 g. One mol of NaCl (6.02 x1023 formulas) has a mass of 58.44 g.

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Answer:

it is positive

Explanation:

due to that is how it is

Answer:

The nucleus is a positively charged region at the centre of an atom . The particles are protons , which have a positive electric charge , an neutrons, which are neutral in electric charge.

An atom consists of a positively charged nucleus, surrounded by one or more negatively charged particles called electrons . The positive charges equal the negative charges, so the atom has no overall charge; it is electrically neutral . The nucleus of an atom contains protons and electron .

Answer:

The unbalanced chemical equation is;

C. N₂O₅ + H₂O → HNO₃

Explanation:

In balancing a chemical reaction equation, only the coefficients of the terms of the reactants and/or the products are adjusted (and not the subscripts to the atoms in the compounds) to ensure that the total number of each element is the same on either side of the arrow for the chemical reaction

A coefficient term is the number multiplier of the compounds and elements in a chemical reaction

Therefore, the balanced chemical equation is obtained by changing the coefficient of the product from the implied '1' to a '2' as follows;

N₂O₅ + H₂O → 2HNO₃

Answer:

Structural formulas are helpful because they explain the properties and structure of the compound which empirical and molecular formulas cannot always represent.

Explanation:

HOPE ITS HELPFUL FOR U

The mass of lithium hydride that participates in the chemical reaction is 6.35 grams.

The mass of a substance can be calculated by multiplying the number of moles by its molar mass as follows:

mass (g) = no of moles (mol) × molar mass (g/mol)

According to this question, the chemical formula for lithium hydride is LiH. A chemist determined by measurements that 0.0800 moles of lithium hydride participate in a chemical reaction.

Molar mass of LiH = 6.941 + 1 = 7.94g/mol

mass = 0.8mol × 7.94g/mol = 6.35grams

Therefore, 6.35g is the mass of the lithium hydride.

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Answer:

It isn't only for the eating habits but also for building nests, hunting small insects, birds, other creatures including defence. Birds have a narrow small throat so the beak helps ripping off small peices of a big animal l(small bird) and for insects they crush and swallow it, they se their beak for feeding their children by grinding food in their beak and transferring it to the youngsters mouth

Answer:

The number of protons in an atom is called its atomic number. This number is very important because it is unique for atoms of a given element. All atoms of an element have the same number of protons, and every element has a different number of protons in its atoms.

Explanation:

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Answer:

Natural Cycles

Explanation:

Most sulfur oxides are produced by burning: coal

Air pollution particles may be removed by _____. rain snow wind natural cycles

The three primary sources of air pollution are _____. factories cars electric power plants

The two basic types of air pollutants are _____. gases particulates

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Answer:

Cardiovascular they carry according to me

Answer: Since the reaction is 2Ca(NO3)2 = 2CaO + 4NO2 + O2

1) - given the stoichiometric coefficients, we know that 2 moles of Ca(NO3)2 will produce 4 moles of NO2, hence, 1 mole will produce 2 moles of NO2

2) - 328 g produces 22.4 L, since One mole of any gas at S.T.P. occupies the same volume which is 22.4 L.

Hence, 65.6 g produces (65.6*22.4)/328 = 4.48 L

3) - 328 g produces 112 g CaO. Therefore, 65.6 g produces = (65.6*112)/328 = 22.4 g CaO.

4) - Given the stoichiometric coefficients, we know 5 moles of gaseous products are already being produces ( 4+1) by 2 moles of reactant.

5) - 44.8 L at STP = 2 moles of NO2, since One mole of any gas at S.T.P. occupies the same volume which is 22.4 L.

Hence, to produce 2 moles of NO2, we need 1 mole of reactant = 164 g

Hope this helps :)

Explanation:

Answer:

For example, the atomic radius of the metal zirconium, Zr, (a period-5 transition element) is 155 pm (empirical value) and that of hafnium, Hf, (the corresponding period-6 element) is 159 pm. ... The increase in mass and the unchanged radii lead to a steep increase in density from 6.51 to 13.35 g/cm3.

Explanation:

Answer: .132

Explanation:

Answer:

The experiment shows that oil is less dense than water

Explanation:

If an object is less dense than water, it will float when placed in water, if an object is denser than water it will sink when placed in water.

The experiment shows that oil is less dense than water and so, the oil and water separate, with the oil floating on top of the water as a student puts some cooking oil and some water in a boiling tube and shakes it.

Answer:

The numerical value for the acceleration of gravity is most accurately known as 9.8 m/s/s.

Answer:

Part A: When air is left in specific environments, it can either expand or contract depending in the given environment, so, if left in a cold car for a few hours, the air inside said balloon will contract.

Part B: If left in said car on a very hot summer day, the air in said balloon will expand, and if left in said car long enough, said balloon will explode due to the air inside expanding

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Answer:

Atomic Nucleus

Explanation:

Atomic Nucleus

Answer:

1281.25 Moles of glucose

Explanation:

Multiply 1.25x1025= 1281.25

Answer: Registered. My 65 pound dog and my 20 pound dog share an 18 pound bag of 4Health and it lasts them 3 and 1/2 weeks.

Explanation:

Answer:

Well it depends how much the bag weighs in LB and your strength.

Explanation:

Answer:

kkkwkisa

Explanation:

wulaoaiq8qiIq8qiaik

Answer:

D

Explanation:

Cuz i got it wrong and this was the right answer : )

The best reaction  that would possibly make a good  airbag inflator is the reaction in which CO2 is produced.

An airbag refers to certain objects that are put into vehicles to ensure that the occupants of the vehicle do not bump against objects that are within or outside the vehicle when there is a collision.

Since a good airbag must contain substances that quickly react to produce a non-combustible gas that fills up the airbag in order to cushion the effect of a collision, the best reaction that would possibly make a good  airbag inflator is the reaction in which CO2 is produced.

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Answer:

7.129

Explanation:

1.239+2.36.6.7800