Answer:
The mass of
4.6
×
10
24
atoms of silver is approximately 820 g.
Explanation:
In order to determine the mass of a given number of atoms of an element, identify the equalities between moles of the element and atoms of the element, and between moles of the element and its molar mass.
1
mole atoms Ag=6.022xx10
23
atoms Ag
Molar mass of Ag =#"107.87 g/mol"#
Multiply the given atoms of silver by
1
mol Ag
6.022
×
23
atoms Ag
. Then multiply times the molar mass of silver.
4.6
×
10
24
atoms Ag
×
1
mol Ag
6.022
×
10
23
atoms Ag
×
107.87
g Ag
1
mol Ag
=
820 g Ag
For 23., you have to find a way to measure your heart rate not increase it. search it up on google.
Answer:
True.
Explanation:
Specific heat is the amount of heat required to raise one gram of a particular substance by one degree Celsius or Kelvin.
Formula for calculating specific heat is the amount of heat absorbed or released = mass x specific heat x change in temperature.
= m * Cp * delta T
