Why are the atomic masses of elements usually decimal numbers?

125mm hg into atmosphere

Describe how two climate factors affect the rate of soil formation

What is the change in enthalpy for the following reaction? 4NH3 (g) + 302 (g) 2N2 (g) + 6H2O (l) Given: NH3: ∆H = - 46.2 kJ Given: H2O: ∆H = - 286 kJ A. - 1530.4 kJ B. - 1020.3 kJ C. 1530.4 kJ D. 1020.3 kJ E. - 510.1 kJ

Find the number of moles of argon in 452 g of argon

How many moles of oxygen atoms are present in 5 H20

Which is the best term to use describing the energy of position

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