Answer:
402.7897
Explanation:
Pretty sure but not 100% about it.
grams in 2 pounds = 907.184 * specific heat of iron = .444
=402.789696
Answer:
A. The cost of producing a kilowatt of power with fuel cell will be less than $30 in 2015
Hey there!
Molar mass NaCl = 58.44 g/mol
Number of moles
n = mass of solute / molar mass
n = 59.76 / 58.44
n = 1.0225 moles of NaCl
Volume in liters:
270 mL / 1000 => 0.27 L
Therefore:
M = number of moles / volume ( L )
M = 1.0225 / 0.27
= 3.78 M
Hope that helps!
Answer:
The reason why atomic mass is usually not a whole number is because it is a weighted average of the mass numbers of isotopes
Explanation:
Unequal heating of the atmosphere
