To make new cures to sicknesses.
Answer:
RH = 20%
Explanation:
Data given:
water pressure at 0°C = 4.85 g/m³
Actual water vapor density = 0.97 g/m³
Relative humidity (RH) = ?
Solution:
Formula used
Relative humidity (RH) = 
x 100%
As we know that at 0°C water vapor have 4.85 g/m³ saturated vapor density.
So,
put values in the above formula
Relative humidity (RH) = 0.97 g/m³ / 4.85 g/m³ x 100%
Relative humidity (RH) = 0.2 x 100%
Relative humidity (RH) = 20%
So,
Relative humidity (RH) = 20%
Answer:
2059.645g Cl
Explanation:
A mole of any element contains 6.022e23 molecules, so we will divide the given amount of molecules by 6.022e23.
3.5e25 / 6.022e23 = 5.81e1
5.81e1 = 58.1 mol Cl
Now that we have found the amount of moles of Chlorine, we will multiply the number of moles by the molar mass of Chlorine, which is 35.45g/mol.
35.45(58.1) = 2059.645g Cl
Answer:
The answer to your question is 144 kg
Explanation:
Data
Q = 8669 kJ
T1 = 75°F
T2 = 195°F
Cp = 0.897 J/(g°C)
m = ?
Formula
Q = mCp(T2 - T1)
Process
1.- Convert temperature to °C
T1 = (75 - 32) / 1.8
= 43/1.8
= 23.9°C
T2 = (195 - 32) / 1.8
= 163/1.8
= 90.6°C
2.- Solve for m
m = Q / Cp(T2 - T1)
3.- Substitution
m = 8669000 / 0.897(90.6 - 23.9)
4.- Simplification
m = 8669000 / 59.83
5.- Result
m = 144893.66 g or 144.9 kg
Answer:
A is the right answer
Explanation:
In double replacement reaction two compounds combines to give other two compounds
As example:
CaCl2 + 2AgNO3 = Ca(NO3)2+ 2AgCl
