What would be the effect on this reaction of increasing the temperature?

2H + O —> 2H O + energy
2 2 2

Answer:

Letter D

Explanation:

#Carry On Learning

Answer:

It is D.

Explanation:

Answer: Cooking gas is a Mixture

Explanation:

A pure substance is a substance which contains definite composition of only one type of component. Hence, it cannot be separated by physical means.

On the other hand, a mixture is a substance which contains two or more than two types of components and they can be separated by physical means as well.

Cooking gas is a made up of a combination of different hydrocarbons (methane, ethane , butane etc)  and thus is a mixture.

Answer:

Percentage by mass of oxygen = 76.20% (Approx)

Explanation:

Given:

HNO3

H=1, N=14, O=16]

Find:

Percentage by mass of oxygen

Computation:

HNO3

Total mass = 1 + 14 + 3(16)

Total mass = 63

Mass of oxygen = (3)(16) = 48

Percentage by mass of oxygen = [48/63]100

Percentage by mass of oxygen = 76.20% (Approx)

Answer:

The green golf ball because it changed speed the most.

Explanation:

Hope this helps! :) Plz mark brainliest again! <3

Answer:

The correct answer is - 18.

Explanation:

The number of hydrogen atoms is indicated by the formula (NH4)2C7H10O2  that has two parts (NH4)2 and C7H10O2 then

Number of hydrogen atoms in (NH4)2 = 4*2= 8

number of H atoms in C7H10O2 = 10

then the total number of atoms = 10+8

= 18.

Thus, the correct answer is = 18 hydrogen atoms.

Answer: Enzymes

Explanation: entzymes are natural catalysts, e.g. Amylase is an enzyme

Answer:use of significant figures in calculations in Essential Skills 1 () prior to working this example. A Density is mass per unit volume and is usually reported in grams per cubic understand its identity, he found that carbon dioxide dissolved in water to produce compounds were not generally accepted for more than 50 years.

Explanation:

Answer:

I Hope it help you and Please mark me as Brilliant

Explanation:

Consider this balanced chemical equation:

2 H2 + O2 → 2 H2O

We interpret this as “two molecules of hydrogen react with one molecule of oxygen to make two molecules of water.” The chemical equation is balanced as long as the coefficients are in the ratio 2:1:2. For instance, this chemical equation is also balanced:

100 H2 + 50 O2 → 100 H2O

This equation is not conventional—because convention says that we use the lowest ratio of coefficients—but it is balanced. So is this chemical equation:

5,000 H2 + 2,500 O2 → 5,000 H2O

Again, this is not conventional, but it is still balanced. Suppose we use a much larger number:

12.044 × 1023 H2 + 6.022 × 1023 O2 → 12.044 × 1023 H2O

These coefficients are also in the ratio of 2:1:2. But these numbers are related to the number of things in a mole: the first and last numbers are two times Avogadro’s number, while the second number is Avogadro’s number. That means that the first and last numbers represent 2 mol, while the middle number is just 1 mol. Well, why not just use the number of moles in balancing the chemical equation?

2 H2 + O2 → 2 H2O

is the same balanced chemical equation we started with! What this means is that chemical equations are not just balanced in terms of molecules; they are also balanced in terms of moles. We can just as easily read this chemical equation as “two moles of hydrogen react with one mole of oxygen to make two moles of water.” All balanced chemical reactions are balanced in terms of moles.

Example 8

Interpret this balanced chemical equation in terms of moles.

P4 + 5 O2 → P4O10

Solution

The coefficients represent the number of moles that react, not just molecules. We would speak of this equation as “one mole of molecular phosphorus reacts with five moles of elemental oxygen to make one mole of tetraphosphorus decoxide.”

Test Yourself

Interpret this balanced chemical equation in terms of moles.

N2 + 3 H2 → 2 NH3

Answer

One mole of elemental nitrogen reacts with three moles of elemental hydrogen to produce two moles of ammonia.

Answer:

-Are two atoms of the same element identical?

no two atoms of the same element are not identical.as its nature will be different

-Can water stay liquid below zero degrees

Celsius?

no it can not be 0°c as its freezing point is 0°c

-Can you light diamond on fire?

yes I think.its refractive index is high.

y

-How bad of an alcoholic do you have to be to have your brain affected?

it causes pressure on mind .

-How can glass be a liquid if it's so hard?

by heating with silica.

-How do I know if something is an acid so I can avoid eating it?

it gives hydrogen ion when dissolves in water.

Answer:

best friends

who used to help

caring

Answer:

Yes and no

Explanation:

It can be silent or neutral mutation that has no effect on the structure or functioning of the organism

OR

It can be a useful (advantageous to the organism)

or a harmful mutation (causes genetic disorders)

Mutation created during reproduction in one gene may some times results in a new trait in offspring that can be of good or bad to the offspring.

Genetic mutation is  modification to a small section of a genome's nucleotide sequence  One nucleotide is frequently replaced by another in point mutations; other changes involve the insertion or deletion of one or more nucleotides.

Errors in DNA replication or the harmful effects of mutagens, such as chemicals and radiation, which react with DNA and alter the architecture of individual nucleotides, are the two main causes of mutations.

The mutations occurred during reproduction most probably passes to the offspring as new a trait and commonly results in a genetic disorder. In some occasional cases these genetic variations can lead to silent or good characteristics.

Find more on mutations:

https://brainly.com/question/13923224

#SPJ2

Answer:

When the ammonium ion, NH4+, is formed, the fourth hydrogen is attached by a dative covalent bond

Explanation:

because only the hydrogen's nucleus is transferred from the chlorine to the nitrogen. The hydrogen's electron is left behind on the chlorine to form a negative chloride ion.

Answer:

C. The reactants will react to produce more H2O.

Explanation:

According to Principle of Equilibrium, the reaction would move in such a way to annul any change imposed on a system at equilibrium.

In this question, the change is removing H2O from the reaction system. To counter this change, more H2O has to be produced.

The correct option is;

C. The reactants will react to produce more H2O.

Answer:

3,or 4 i think please be right

Answer:

I pretty sure it's dichormate based off my research

Answer:

C) Timber

Explanation:

"Let's look more closely at renewable natural resources. They are the ones that can grow again. Trees are a good example. If cut down, they can regrow from seeds and sprouts."

Answer:

The maximum number of moles of PH₃ that can be formed is 0.8 moles.

Explanation:

The balanced reaction is:

P₄ + 6 H₂ → 4 PH₃

By reaction stoichiometry (that is, the relationship between the amount of reagents and products in a chemical reaction), the following amounts of each compound participate in the reaction:

The limiting reagent is one that is consumed first in its entirety, determining the amount of product in the reaction. When the limiting reagent is finished, the chemical reaction will stop.

To determine the limiting reagent, you can use a simple rule of three as follows: If by stoichiometry of the reaction 6 moles of hydrogen react with 1 mole of phosphorus, 4 moles of hydrogen will react with how many moles of phosphorus?

[tex]moles of phosphorus=\frac{4 moles of hydrogen*1 mole og phosphorus}{6moles of hydrogen}[/tex]

moles of phosphorus= 0.667

But 0.667 moles of phosphorus are not available, 0.2 moles are available. Since you have less moles than you need to react with 4 moles of hydrogen, phosphorus will be the limiting reagent.

Then you can apply the following rule of three: if by stoichiometry 1 mole of P₄ forms 4 moles of PH₃, 0.2 moles of P₄ will form how many moles of PH₃?

[tex]moles of PH_{3} =\frac{0.2 moles of P_{4} *4 moles of PH_{3} }{1 mole of P_{4} }[/tex]

moles of PH₃= 0.8

The maximum number of moles of PH₃ that can be formed is 0.8 moles.

Answer:

sorry i donntttt understand make it clear

Answer:

19) Refraction will be the answer.

20) Diffuse reflection will be the answer.

Answer with Explanation:

This is expirament based Q

1) Bring a magnet near ... the Cobalt will come out of te mixture and get attracted to magnet

2)  Disolve it in a solution of ethanol. The Idoine gets dissolve and the other doesnt.

Hope im right!!

Answer:

i am not sure enough for A but i think the ans is in dilute amount

Explanation:

Answer: a) arsenic

Explanation:

answer:

a. arsenic

explanation:

arsenic is classified as a metalloid because it has some properties similar to a metal and others of a non-metal.

good luck :)

hopefully, this helps

have a great day !!

Answer:

C2H6

Explanation:

Answer:

According to the text "After the sun spun to light, the planets of the solar system began to form. But it took another hundred million years for Earth's moon to spring into existence. There are three theories as to how our planet's satellite could have been created: the giant impact hypothesis, the co-formation theory and the capture theory."

~Deku

Explanation:

Answer:

The correct answer would be - the speed of particles will increase and move faster.

Explanation:

As we know and also given that increase in temperature leads to an increase in kinetic energy that is used by particles and the speed of the particles move faster.

However, the mass of the particle is the main factor that is responsible for the speed of the particles and the temperature at which they are present. High temperatures and small particles lead to an increase in the speed of particles.

Answer:

C

Explanation:

Cause waves causes gravity to make higher waves

Answer:

10 moles

Explanation:

(224 L)*(1 mol/22.4 L) = 10 mol

1 mol/22.4 L is the conversion factor under standard temperature and pressure