- How strong would the gravity be at the core?

Discover Questions

Not sure on the second and third part, I know b=7 but unsure of the rest? What mass of oxygen combines with 1.47 mol
of magnesium in the reaction
2 Mg(s) + O2(g) −→ 2 MgO(s)?
Answer in units of g.? The solution of 2^(2x+3)= 2^(x+1) +3 can be expressed in the form a + log base 2 of b. Find the value of a and b? Please Help1!!? How much energy in kJ is needed to melt 258 grams of water with a heat of fusion of 6.02 kJ/mol at the freezing point 0.00 degrees Celsius?