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34kurt
3 years ago
15

14) Circle all of the physical properties:

Chemistry
1 answer:
exis [7]3 years ago
7 0
Color, luster, rusting, solubility, size,conductivity, odor, boiling point, density, melting point, mass and volume, magnetic, state of matter,
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How many grams of water at 50◦c must be added to 16 grams of ice at −12◦c to result in only liquid water at 0◦c?
melisa1 [442]

When water at 50 C is added to ice at -12 C, heat is transferred from hot water to ice.

- Heat given out by water = Heat absorbed by ice

Calculating the heat released by hot water:

q = m CwaterΔTq = m (4.184\frac{J}{(g.^{0}C)} )(0^{0}C-50^{0}C)

Calculating heat absorbed by 16 g of ice: Ice at -12^{0}C is converted to ice at O^{0}C and then ice at O^{0} C to water at 0^{0}C

q = m CiceΔT + m (Heat of fusion)

q = 16 g(2.11\frac{J}{g.^{0}C})(0^{0}C - (-12^{0}C)) + 16 g (333.55\frac{J}{g})

q = 405.12 J +5336.8 J =5741.92 J

- Heat given out by water = Heat absorbed by ice

-(m(4.184\frac{J}{g.^{0}C})(0^{0}C-50^{0}C) = 5741.92 J

m = 27.4 g

Therefore, 27.4 g water at 50^{0}C must be added to 16 g of ice at -12^{0}C to convert to liquid water at 0^{0}C

4 0
3 years ago
Ca+HCI—>CaCI2+H2, what is the reaction?
arsen [322]

Answer:

single replacement reaction

Explanation:

This is a kind of single replacement reaction where you switch either cations or anions. Here you switched Ca for H and produced Cacl2 and H2 gas by itself.

4 0
3 years ago
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over the last 100 years the number of lives lost during major storms like hurricanes has steadily dropped what could be conclude
Irina18 [472]
People have learnt to make shelters in a way so that they don't get affected by natural disasters that are common in their area. For example, people make houses of complete brick so they are stronger and can withstand a powerful storm
4 0
3 years ago
What will happen to the volume if the number of moles of a gas is decreased at constant temperature and pressure?
RoseWind [281]
The moles will probably die
4 0
3 years ago
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Whats the name of S4O6
IceJOKER [234]

Answer:

Sulfonic acid

Explanation:

I think this is correct

8 0
3 years ago
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