Train travel from hong kong to beijing it traveled at an average speed of 160 km/m in the first 4 hours. after that it traveled another average speed of 180 km/m. if the distance between hong kong to bejing is 1180 km, what was the total time for the whole journey?

Blank allows you to do calculations for situations in which only the amount of gas is constant a)boyle's law b)combined gas law c)ideal gas law d)dalton's law

In the 1800s, one of the statements in john dalton's atomic theory was that atoms are indivisible. later experimental evidence led to the discovery of subatomic particles such as neutrons, electrons, and protons. what happened to the indivisible atom part of dalton's atomic theory, and why?

If i can still dissolve more sugar into the solution at a certain temperature what would i call that solution