1.Explain why during splitting of water not equal volume of oxygen and hydrogen gases were produced? 2.Describe how hydrogen gas can be tested?
3.Explain how do you know that water is not simply a mixture hydrogen gas and oxygen gas?
4.Explain why a balloon filled with hydrogen gas will float up very high, but one filled with oxygen gas will

Which change in temperature is the smallest? a change of 1 thomson degree a change of 1 kelvin degree a change of 1 fahrenheit degree a change of 1 celsius degree

When 13.3 g koh is dissolved in 102.7 g of water in a coffee-cup calorimeter, the temperature rises from 21.4 °c to 31.53 °c. what is the enthalpy change per gram of koh (j/g) dissolved in the water? * take the density of water as 1.00 g/ml. * assume that the solution has a specific heat capacity of 4.18 j/g*k. enter to 1 decimal place. do not forget the appropriate sign /(+). canvas may auto-delete the (+) sign

Ajar contains a certain substance. which observation would show that the substance must be either a solid or a liquid?