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3 years ago

Which property describes the effects of gravity on an object?

Chemistry

1 answer:

hichkok12 [17]3 years ago

5 0

Answer:

Which sentence from the passage shows that the function of the river depicted here has carried through to modern times?

Explanation:Which sentence from the passage shows that the function of the river depicted here has carried through to modern times?

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A chemist mixes 1.00 g CuCl2 with an excess of (NH4)2HPO4 in dilute aqueous solution . He measures the evolution of 670 J of hea

kaheart [24]

Answer:

$\Delta H$ will be 90054 J

Explanation:

Number of moles = (mass)/(molar mass)

Molar mass of $CuCl_{2}$ = 134.45 g/mol

So, 1.00 g of $CuCl_{2}$ = $\frac{1.00}{134.45}mol$ of $CuCl_{2}$ = 0.00744 mol of $CuCl_{2}$

0.00744 mol of $CuCl_{2}$ produces 670 J of heat

So, 1 mol of $CuCl_{2}$ produces $\frac{670}{0.00744}J$ of heat or 90054 J of heat

4 0

4 years ago

The only positive ion found in H2SO4(aq) is the

Hitman42 [59]

The answer is ammonium iron

3 0

4 years ago

Potassium carbonate, K2CO3, sodium iodide, NaI, potassium bromide, KBr, methanol, CH3OH, and ammonium chloride, NH4Cl, are solub

just olya [345]

Answer:

A. K₂CO₃

Explanation:

The chemical reaction showing the ions produced on dissolving Potassium carbonate in water is:

K₂CO₃ ⇒ 2K⁺ + CO₃²⁻

Number of ions produced = 2 + 1 = 3

The chemical reaction showing the ions produced on dissolving sodium iodide in water is:

NaI ⇒ Na⁺ + I⁻

Number of ions produced = 1 + 1 = 2

The chemical reaction showing the ions produced on dissolving potassium bromide in water is:

KBr ⇒ K⁺ + Br⁻

Number of ions produced = 1 + 1 = 2

The chemical reaction showing the ions produced on dissolving ammonium chloride in water is:

NH₄Cl ⇒ NH₄⁺ + Cl⁻

Number of ions produced = 1 + 1 = 2

<u>The largest number of dissolved particles per mole of dissolved solute is produced by Potassium carbonate.</u>

5 0

4 years ago

Stormwater that cannot be directed back into rivers or streams is stored in

just olya [345]

Soil can get swept away into the water (by wind, gravity, rain, etc) and can increase the water level of the body of water.

Another thing is that if the soil was infected with pesticides from farmer's crops then the toxins that were in the soil can pollute the body of water. hope this helps!!

6 0

3 years ago

Read 2 more answers

Describe how the properties of the compound carbon monoxide (CO) differ from the properties of the

ElenaW [278]

Explanation:

There is a clear cut difference between a compound and an element:

A compound is made up of substances composed of two or more kinds of atoms or elements joined together in a definite grouping.
An element is a distinct substance that cannot be split-up into simpler substances. These substances are only made up of one kind of atom.

Compounds are formed so that unstable elements can attain stability.

Carbon monoxide is made up two elements: Carbon and oxygen that have combined chemically together.

Carbon monoxide is a toxic gas and it is different from oxygen atom and carbon atom.
Carbon is a solid but carbon monoxide is a gas.
Oxygen atom does not exists on its own but it exists as Oxygen gas O₂
The properties of carbon monoxide clearly differ from that of oxygen and carbon.

Learn more:

Elements brainly.com/question/1781595

#learnwithBrainly

7 0

3 years ago