All of them are right except the neutron one. The neutrons is actually 176 because you subtract the number of protons from the atomic mass to find this.
Answer:
E) 1.56x10⁴g
Explanation:
Pounds and grams are both units of mass. Pounds are used in UK and USA. Grams is the unit of mass used in the international system of units, SI.
To convert pounds, lb, to grams, g, we need the equivalence between these 2 units of mass:
1lb = 453.6g
That means 1lb weighs 453.6g. 34.4lb weigh:
34.4lb * (453.6g / 1lb) = 1.56x10⁴g. That means right option is:
<h3>E) 1.56x10⁴g</h3>
I think it is
Barium Sulfide + Platinum Difluoride = Barium Fluoride + Platinum Sulfide<span>
</span>
1 calorie is needed to raise 1 g of water 1 °C.
350 * 22 = 7700 calories