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kykrilka [37]
3 years ago
13

What is the mass of 1.25 mol of zinc ​

Chemistry
1 answer:
Ilya [14]3 years ago
5 0

Answer:

1 mole is equal to 1 moles Zinc, or 65.38 grams.

Explanation:

Could i have branliest, heart and 5 stars thanks!

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WATER is wet to make it a more marketable commodity
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Which temperatures originally represented the fixed points<br> Celsius temperature scale?
frez [133]

Answer:Since 1743 the Celsius scale has been based on 0 °C for the freezing point of water and 100 °C for the boiling point of water at 1 atm pressure. Prior to 1743 the values were reversed (i.e. the boiling point was 0 degrees and the freezing point was 100 degrees).

Explanation: i no it

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On a heating curve, in which section(s) would you use the equation, Q=mCΔT, to calculate the total heat required?
lana [24]

Answer:

69.420 b=99699969

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Read 2 more answers
If a bus traveled 20 miles north on a straight path, and then traveled 20 miles back to the starting point, what would the veloc
AleksAgata [21]

<u>Answer:</u>

The velocity of the bus be is 0 miles/second

<u>Explanation:</u>

Given, a bus travelled a distance of 20 miles north and 20 miles back to the starting point

Hence, total distance = 20 + 20 = 40 miles

Velocity is calculated by the formula:

Velocity =   \frac{\text { Displacement }}{\text { Time }}

Displacement = 20+(-20)=0 \text { miles }

Velocity = \frac{0}{T i m e}=0 \text { miles/second }

Therefore, the velocity of the bus is 0 miles/second

5 0
3 years ago
What pressure, in atmospheres, is exerted on the body of a diver if he is 38 ft below the surface of the water when atmospheric
Talja [164]

The pressure of diver = atmospheric pressure + water pressure

atmospheric pressure = 750 mmHg (as given) = 750 / 760 atm = 0.987 atm

Water pressure is

P = hρg

where

h = height of water = 38 ft

1 ft = 0.3048

38 ft = 11.58 m

ρ = density  = 1000 Kg / m³

g = gravitational constant  = 9.81 m/s2

P = 11.58 X 1000 X 9.81 = 113599.8 Kg / m s^2 Or N /m^2

1 N / m^2 = 1 pa = 9.869 X 10^-6 atm

P = 113599.8 Pa = 1.12 atm

Total pressure = 1.12 + 0.987 atm = 2.107 atm = 2.1 atm (two significant figures)



5 0
3 years ago
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