What is the concentration of the following:

2.0mol of zinc sulphate in 10 dm^3 of solution

Answer:

The U.S. Air Force needed to understand the atmosphere for communications and to design heat-seeking missiles. At certain wavelengths carbon dioxide and water vapor block radiation. So the new missiles couldn't see very far if they used a wavelength that CO2 absorbs.

Explanation:

Answer:

Componets of Homogenous mixture cannot be seperated by using physical methods

Explanation:

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Answer:

Computers are more useful for quick calculations.

Computers are easier to transport to remote locations.

Computers have lower power consumption.

Computers hold larger amounts of data.

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The density of the larger broken piece from the original piece would remain 1.500 g/cm3

Density = mass/volume

The ratio of mass to the volume of a substance is constant.

Thus, for the long glass stirring rod, a reduction in the length means a reduction in its volume. Also, there would be a commensurate reduction in the mass of the glass rod.

At the end of the day, the ratio of mass/volume of the glass rod, be it the larger or the smaller piece, remains the same.

Thus, the density would remain 1.500 g/cm3.

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We have that the new values of the following substances HCl(g), N2O(g), H(g) is that the remain the same as

dG=dH-TdS remains the same.

Question Parameters:

s P= 2 bar

HCl(g)

N2O(g)

H(g)

Generally the equation for the Change in Heat energy  is mathematically given as

dG=dH-TdS

Where

dH=CpdT

Therefore, With no change in entalpy dH only changes  when there is a change in dT

dS=CpInT

With dS independent of pressure S is constant

Hence, dG=dH-TdS remains the same

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Answer: Through photosynthesis carbon dioxide and water is converted to glucose which is more ordered.

Explanation:

Besides that initial consideration there is solar energy being added to the reaction which might be worth noting.

More important to note is that organic molecules/compounds such as glucose are higher in order compared to inorganic molecules/compounds such as water.

Answer:

The IUPAC name for NH3 would be Azane

Explanation:

Answer:   1. nitrogen trihydride

                2. ammonia

Explanation: 1.Choose the correct name for NH3 according to the naming system being used. What is the IUPAC name for NH3?

2. What is the common name for NH3?

Answer:

Nitrogen

Explanation:

1 arrow = 1 electron

there are 7 arrows = 7 electrons

Nitrogen has 7 electrons or 7 protons

Answer:

Here, this may help you:

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Explanation:

Answer:

adwasd

Explanation:

Answer:

The proton determines the identity of an element.

Answer:

the scrubby plants in the chaparral biome fix CO2 from the atmosphere through photosynthesis and store carbon as starch. The energy from these carbohydrates is passed on to animals and insects that consume the plants. These primary consumers will pass on the carbon’s energy to other animals that prey on them. When plants or animals die and decompose, the carbon in their bodies returns to the earth. Fossil fuels, which are made from ancient decomposed matter, release carbon back into the atmosphere as CO2 when they are burned

Although we do not have the graph needed to answer this question, we can confirm that if the toy were to be accelerating, one should see this on the graph as a curved line.

When graphing motion in terms of distance over time, we can use the shape of the line in the graph to determine if the speed is constant or if there is an acceleration present. If the line is straight, the speed is constant, but if there is a curve, there will be acceleration.

Therefore, we can confirm that if the toy were to be accelerating, one should see this on the graph as a curved line.

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Answer:

baking soda - sodium hydrogen carbonate

bleach (liquid) - sodium hypochlorite

bleach (solid)- sodium hypochlorite

borax- sodium tetraborate decahydrate

brimstone- magnesium sulfate heptahydrate (sulfur)

cream of tartar- potassium hydrogen tartrate

Epsom salt- magnesium sulfate

Freon- Dichlorodifluoromethane

galena- gray lead sulfide

grain alcohol- ethanol

graphite- carbon silicon family

gypsum- calcium sulfate

hypo- sodium thiosulfate

laughing gas- nitrous oxide

lime- calcium hydroxide

limestone- calcium hydroxide

lye- sodium hydroxide

(i'll finish the rest later)

Explanation:

Answer:

the answer is mitochondria

Explanation:

its mitochondria unless its anaerobic respiration then it takes place in the cells cytoplasm

Answer:

Is the solid an explosive?

Explanation:

..because then it would blow up.

Everything else would melt and phase transfer would occur from a solid to liquid.

Answer:

the answer is themodynamics

Answer:

here

Explanation:

Nitrates and nitrites are interrelated by oxidation reduction; nitrite is the breakdown product of nitrate. Many experts believe that nitrates are relatively harmless until they break down into nitrites.

Answer:

25 percent solution by mass of ethanol means that 100 gram of solution contains 25 gram of solute i.e-ethanol. Now,as the density of the solution is 1 g/ml so 100 g of the solution has a volume of 100 ml. So,we have 25 gram of ethanol in 100 ml of the solution. So we have 250 g of ethanol in 1 litre of solution.

Explanation:

Answer:

molar mass of CaCO3=40+12+3(16)

=100 gmol-1

Ca percent composition=40/100*100%

=40%

C percent composition=12/100*100%

=12%

0 percent composition=48/100*100%

=48%

Answer:

Since we're sticking with theoretical values instead of experimental, Percent Composition would be (Molar Mass of the element) / (Molar mass of compound) x 100%

Molar mass of Calcium: 40g/mol

Molar mass of Carbon: 12g/mol

Molar mass of Oxygen: 16g/mol

Molar mass of CaCO3 (Calcium Carbonate) = (40) + (12) + (16)*3 = 100g/mol

Percentage composition of Calcium = [tex]\frac{40}{100} \ * \ 100 =[/tex] 40% of Calcium

Percentage composition of Carbon = [tex]\frac{12}{100} \ * \ 100 =[/tex] 12% of Carbon

(For the next one, there are 3 oxygen, so it'd be 16x3 = 48g/mol)

Percentage composition of Oxygen = [tex]\frac{48}{100} \ * \ 100 =[/tex] 48% of Oxygen

Scientific knowledge be used to solve a practical problem through all of the above which are:

This is defined as the movement of air and other gases on the surface on the earth. Wind intensity varies according to various factors and it's best to study it as helps to prepare for unforeseen circumstances.

Its knowledge helps in the building of windmills so as to ensure efficient capture of winds.

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Answer:

Who was the first president of United States?

A Benjamin Franklin

B George Washington

C Abraham Lincoln

D John Adams

Answer:

High points please help *NO TROLL ANSWERS*

kayla wants to find the width, AB, of a river. she walks along the edge of the river 150 ft and marks point c. then she walks 32 ft further and marks point D. she turns 90° and walks until her location, point A, and point C are collinear. she marks point E at this location, as show.

Answer:

The rate law is:

[tex]\displaystyle \text{Rate} & = k[A]^2[B][/tex]

Doubling the concentration of C will have no effect on the rate of the reaction.

Explanation:

We want to write the rate law for the reaction:

[tex]\displaystyle A + B + C \longrightarrow D + E[/tex]

Where the order of A, B, and C are 2, 1, and 0, respectively.

The rate law will have the form:
[tex]\displaystyle \text{Rate} = k [A]^m[B]^n[C]^p[/tex]

Where m, n, and p are their respective order of reactions.

Hence, the rate law is:
[tex]\displaystyle \begin{aligned} \text{Rate} & = k[A]^2[B][C]^0\\ \\ & = k[A]^2[B] \end{aligned}[/tex]

Because the order of reaction to C is 0, changing its concentration will have no effect on the rate law.

Answer:

133.34 g/mol

Explanation: