A sound wave has a frequency of 425Hz what is the period of this wave

When methane reacts with oxygen, the products are carbon dioxide (CO2) and water (H2O). How many grams of water are formed if 24g of methane react completely with 96g of oxygen to form 66g of carbon dioxide? (include units)

What volume of carbon dioxide gas at STP is required to produce 456.9g of lithium carbonate?

What is the final temperature in ∘c if the process is isothermal?

The diagram shows Niels Bohr's model of an atom. What happens when the electron moves from the first energy level to the second energy level?

Li2O + H2O = LiOH If you have 25 grams of Li2O how many grams of LiOH?

The four elements comprising over 90 of living matter are

Consider the gas-phase reaction, n2 (g) + 3 h2 (g) 2 nh3 (g), for which kp = 43 at 400 k. if the mixture is analyzed and found to contain 2.0 bar of n2, 2.0 bar of h2 and 27.0 bar of nh3, describe the situation:

How many moles of ions are in 285 ml of 0.0150 m mgcl2?

Given: logK=nE∘0.0592 What is the value K for this redox reaction? Zn2 + (aq) + 2 Cl - (aq) → Zn (s) + Cl2 ( g. Ecell = - 2.12 V

What is 350 kelvin on the Celsius scale of temperature?