Moles of Zn (NO3) 2 in 131.50g of this substance.

Convert 100 grams of methane CH4 to number of atoms

Why do composite volcanoes generally have violent eruptions than shield volcanoes?

To keep dry ice from forming into a gas what needs to happening?

The following equation describes how sodium and chlorine react to produce sodium chloride: 2Na + Cl2 - > 2NaCl Is the equation balanced? Explain your answer. Its balanced but idk how?

In terms of entropy and energy, systems in nature tend to undergo changes toward (1) lower entropy and lower energy (2) lower entropy and higher energy (3) higher entropy and lower energy (4) higher entropy and higher energy

The hydrogen spectrum has a red line at 656 nm, and a blue line at 434 nm. What is the first order angular separation between the two spectral lines obtained with a diffraction grating with 5000 rulings/cm? A. 7.7 degrees B. 16.6 degrees C. 6.

g write net ionic equations for the reactions of h2po4 - an amphiprotic ion with aqueous solutions of hcl koh

Eagles use sharp talons to grab fish from the water. What characteristic of life is this most directly an example of?

Which of the following statements about rock and mineral resources is true

What are similarities between opinion based research and observation based research