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34kurt
2 years ago
12

Can someone help me pls !!

Chemistry
2 answers:
Juli2301 [7.4K]2 years ago
8 0
C. Reaction 1 because a single product was formed
nekit [7.7K]2 years ago
4 0

Answer:reaction 1 because a single product is formed

Explanation: all the reactions are being form into two separate products while in reaction 1 is transforming two different products in two one product all together.

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How much ice (in grams) would have to melt to lower the temperature of 354 ml of water from 26 ?c to 6 ?c? (assume the density o
Anit [1.1K]
Heat gained in a system can be calculated by multiplying the given mass to the specific heat capacity of the substance and the temperature difference. It is expressed as follows:<span>

Heat = mC(T2-T1) 

When two objects are in contact, it should be that the heat lost is equal to what is gained by the other. From this, we can calculate things. We do as follows:

<span>Heat gained = Heat lost</span>
mC(T2-T1) = - mC(T2-T1) 

C(liquid water) = 4.18 J/gC
C(ice) = 2.11 J/gC

</span><span>(354 mL)(1.0 g/mL)(4.18 J/gC)(26 C - 6 C) = m(2.11 J/gC)(6 - 0C) </span><span>
m = 2337.63 g of ice

</span>
3 0
3 years ago
The valence electrons occur in what part of the atom?
shutvik [7]
The correct answer to the question that is stated above is letter  c, <span> the outer electron shell.</span>

Valence electrons occur<span> in the outermost shells of an </span>atom.

>> <span>Valence electrons are </span>electrons<span> that are associated with an </span>atom<span>, and that can participate in the formation of a </span>chemical bond.
7 0
2 years ago
Read 2 more answers
How come there is only 3 C5H12 isomers?
liraira [26]

That's because the first and last carbon atoms cannot be branched to form an isomer . Therefore only the three middle carbon atoms can form isomers.

4 0
3 years ago
What is the order of increasing rate of eusion for the following gases, Ar, CO2, H2, N2?
AVprozaik [17]

Answer:

H2 > N2 > Ar > CO2

Explanation:

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This means gases with low molar masses would have higher efusion rate compared to gases with higher molar masses.

So now we just need to compare the molar masses of the various gases;

Ar - 39.95

CO2 - 44.01

H2 - 2

N2 - 28.01

To obtain the order in increasing rate, we have to order the gases in decreasing molar mass. This order of increasing rate is given as;

H2 > N2 > Ar > CO2

8 0
2 years ago
ANSWER FAST <br> is water wet? <br> a.) yes <br> b.) no<br> c.) a baby goat is a kid
Ksju [112]

Answer:

c

Explanation:

5 0
2 years ago
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