If 2g of an isotope has a half life of 7days, the half life of 1g of sample will be?

Balancing Equations aluminum nitrate + sodium hydroxide → aluminum hydroxide + sodium nitrate

100 mL of a 1 M HCL and 100 mL of a 5M NaCl solution are mixed. What is the final molarity of the chloride ions? A.).5M B.) 2M C.) 3M D.) 4M

What is the subject chemistry actually all about? Is it hard, and should I take regular or honors?

Planet A has a tilt of five degrees. What seasonal changes would be expected on this planet? Extreme temperature changes between seasons Little to no change in temperatures between seasons Seasonal changes along the equator only Seasonal changes at

Molecular formula: C19H16 Double bond equivalence i. Calculate the number of double bond equivalents in the molecule from the molecular formula. (1 mark) ii. What does this indicate about the molecule? (1 mark)

Use the balanced equation from number four above to determine the limiting reactant if we had a mixture of 5.0 moles of Fe and 4.0 moles of O2.

Using the kinetic theory what happens to oxygen particles as they are cooled

Identify the following: 1. The only 2 liquid elements. 2. The element in period 4, group 0. 3. The second metalloid in period 4. 4. The first element in group 4A.

You are about to open a container of soy milk but notice that there are instructions to "shake well before serving." the soy milk is most likely a

Give reason: a. Fractionating columns with beads are used for fractional distillation b. Crystallisation is a better technique than evaporation