4) At STP, calculate to the nearst whole number the volume of CO2 gas produced by mixing 20 g of co gas with an excess amount of oxygen gas according to the following equation: [C=12 , 0=16] 2CO(g) + O2(g) 2CO2(g)

Which of the following is an indication that a substance has undergone a chemical change? a. no new product has been formed. b. the color of the substance has not changed. c. the original constitute has not changed. d. the molecular structure has changed.

Rays from the sun are not considered matter true or false

How many oxygen atoms are there in 3.15 moles of hcl manganese (iv) oxide, mno2