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Marizza181 [45]
3 years ago
11

Which of the following is a correct observation when water is added to quick lime?

Chemistry
2 answers:
masya89 [10]3 years ago
7 0

Answer:

c

Explanation:

thw observation of water that is added

il63 [147K]3 years ago
3 0
D)no change
Cause water is a poor conductor of heat and electricity
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What element is being oxidized in the following redox reaction? Pb 2+(aq) + NH4 +(aq) - Pb(s) + NO3 (aq)
castortr0y [4]
The answer for your question is c.
5 0
3 years ago
2. Calculate the mass of 3.47x1023 gold atoms.
lapo4ka [179]

3.47 x 10^{23} atoms of gold have mass of 113.44 grams.

Explanation:

Data given:

number of atoms of gold = 3.47 x 10^{23}

mass of the gold in given number of atoms = ?

atomic mass of gold =196.96 grams/mole

Avagadro's number = 6.022 X 10^{23}

from the relation,

1 mole of element contains 6.022 x 10^{23} atoms.

so no of moles of gold given = \frac{3.47 X 10^{23}  }{6.022 X 10^{23} }

0.57 moles of gold.

from the relation:

number of moles = \frac{mass}{atomic mass of 1 mole}

rearranging the equation,

mass = number of moles x atomic mass

mass = 0.57 x 196.96

mass = 113.44 grams

thus, 3.47 x 10^{23} atoms of gold have mass of 113.44 grams

3 0
3 years ago
1. look at the sequence of pictures what happened to the Apple overtime. 2. no chemical was added to the Apple explain why the A
Goshia [24]

Answer: it started too rot over time mold over time and decay and if you cooked a apple it would melt like ice cream cause of the heat waves and if the apple is surrounded by air i think what would happen it would still rot I guess but i wouldnt know for sure cause things with air take time too rot and things with air rot faster and slicing the apple into more pieces would make it decay or rot or mold faster cause its open and accepting everything it sees like bacteria bugs all that

Explanation: like the longer a apple is left half open it starts too rot then mold over time getting all bad and not good too eat or decay

read it all the stuff is in there i think

8 0
2 years ago
The sedimentary rock formed when water deposits tiny particles of clay in very thin flat layers is called?
adelina 88 [10]
The sedimentary rock formed when water deposits tiny particles of clay in very thin flat layers is called limestone.

3 0
3 years ago
Read 2 more answers
Please help me i have to get this done now
Marysya12 [62]

Answer:

Calvatia craniiformis is the real answer, according to the biggest European Bilogical lecture

4 0
3 years ago
Read 2 more answers
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