10. What scientist was responsible for the discovery of the negatively charged

subatomic particle, the experiment he used and what did he name it

How many grams are in 6.53 moles of Pb

When one atom of hydrogen combines with one atom of bromine

What is the temperature of the mixture formed of 100 g of water with temperature 15c and 250g of water with temperature 50c in a supposedly isolated postion

Assuming that the forces between atoms that form molecules can be approximated by elastic restoring forces, count the number of energy degrees of freedom, including those for translations and rotations, for (a) O2 molecules, (b) H2O molecules, (c)

Which test result indicated a chemical change has taken place?

Regalo puntos : v vengan a mi prros

Write a net ionic equation for the overall reaction that occurs when aqueous solutions of phosphoric acid (h3po4) and potassium hydroxide are combined. assume excess base. use the pull-down boxes to specify states such as (aq) or (s).

What are the coefficients that will balance the skeleton equation below? n + h ⟶ nh?

Restate Newtons first law in terms of acceleration

Why is burning is not a recommended method of disposing plastics