Answer:
3966.82 J
Explanation:
q=sm∆T
q=73×13×4.18
the specific heat for water is 4.18
My educated guess should be the 3rd one
35°c is equal to 95°f
To do this multiply 35 and 1.8
35 x 1.8=63
Now add 32
Resulting in the answer 95
(The equation for to solve for c and f is c1.8+32=f
Potential to Kinetic Energy.
When you a basketball in your hand that is potential energy. Then, when you bounce the ball that is kinetic energy.
Answer:
2.35 x 10²⁰ atoms Ga
Explanation:
After converting from mg to g, use the molar mass as the unit converter to convert to moles. Then using Avogadro's number, 6.022 x 10²³ convert from moles to atoms of Ga.
![27.2mgGa*\frac{1g}{1000mg} *\frac{1 mol Ga}{69.72gGa} *\frac{6.022*10^2^3 atoms Ga}{1 molGa} = 2.349 * 10^2^0 atoms Ga](https://tex.z-dn.net/?f=27.2mgGa%2A%5Cfrac%7B1g%7D%7B1000mg%7D%20%2A%5Cfrac%7B1%20mol%20Ga%7D%7B69.72gGa%7D%20%2A%5Cfrac%7B6.022%2A10%5E2%5E3%20atoms%20Ga%7D%7B1%20molGa%7D%20%3D%202.349%20%2A%2010%5E2%5E0%20atoms%20Ga)
Then round to 3 significant figures = 2.35 x 10²⁰ atoms Ga.