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jasenka [17]
2 years ago
15

Is cocoa mix a solubility

Chemistry
1 answer:
rusak2 [61]2 years ago
3 0
No, pure cocoa powder is not very soluble. A hot cocoa mix will dissolve well under warm temperatures.
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True or false certain cations are associated with either exotermic or endothermic processes
erastova [34]

Explanation:

i think it is exothermic processes

4 0
3 years ago
Sulfuric acid is formed when sulfur dioxide reacts with oxygen and water. Write a balanced chemical equation for the reaction. (
Nesterboy [21]

Balanced chemical equation for the reaction is:

2SO_{2} (g) + O_{2} (g)+ 2H_{2}O (l) ⇒H_{2} S_{} O_{4}

Moles of H_{2} S_{} O_{4} formed is 5.75 moles.

Moles of oxygen used is 5.75 moles in the reaction.

Explanation:

Data given:

moles of SO_{2} = 11.5 moles

moles of H_{2} S_{} O_{4} = ?

Moles of O_{2} needed =?

balanced equation with states of matter =?

Balanced chemical reaction under STP condition is given as:

2SO_{2}(g) + O_{2} (g) + 2H_{2}O (l) ⇒H_{2} S_{} O_{4}

From the balanced reaction 2 moles of sulphur dioxide reacted to form 1 mole of sulphuric acid:

so, from 11.5 moles of SO_{2}, x moles of H_{2} S_{} O_{4} is formed

\frac{1}{2}  =\frac{x}{11.5}

2x = 11.5

x = 5.75 moles of sulphuric acid formed.

From the balanced reaction 1 mole of oxygen reacted to form 1  mole of sulphuric acid.

when 11.5 moles of Sulphur dioxide reacted then oxygen in the reaction is 5.75 moles.

7 0
3 years ago
A solution contains one or more of the following ions: Ag + , Ca 2 + , and Co 2 + . Ag+, Ca2+, and Co2+. Lithium bromide is adde
Eva8 [605]

Answer:

Since with LiBr no precipitation takes place. So, Ag+ is absent

When we add Li2SO4 to it, precipitation takes place.

Ca2+(aq) + SO42-(aq) ----> CaSO4(s) ...Precipitate

Thus, Ca2+ is present.

When Li3PO4 is added, again precipitation takes place.Reaction is:

Co2+(aq) + PO43-(aq)---->Co3(PO4)2(s) ... Precipitate

A. Ca2+ and Co2+ are present in solution

B. Ca2+(aq) + SO42-(aq) ----> CaSO4(s)

C. 3Co2+(aq) + 2PO43-(aq)---->Co3(PO4)2(s)

8 0
3 years ago
Read the excerpt from "The Speech."
Y_Kistochka [10]

Answer:

<em>it's</em> <em>quickly moved</em>

Explanation:

<em>whisk </em>

<em>/(h)wisk/ </em>

<em>Learn to pronounce </em>

<em>verb </em>

<em>past tense: whisked; past participle: whisked </em>

<em />

<em>take or move (someone or something) in a particular direction suddenly and quickly.</em>

<em />

<em>Hope this helps ^^</em>

5 0
2 years ago
Read 2 more answers
PLEASE HELP!!!<br> How many km/hr are there in 6.01 x 10^6 yd/wk?
OlgaM077 [116]

Answer:

32.711

Explanation:

1 yard = 0.0009144 km

1 week = 168 hrs

6.01 x 10^6 / 168 = 35,773.81 yds/hr

                            =  32.711 km/hr    

8 0
3 years ago
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