How much does a cubic meter of gold weigh I just saw one saying that osmium is the heaviest. One cubic meter has more than 22 tons. What's the weight of one cubic meter of gold?

How much does a cubic meter of gold weigh I just saw one saying that osmium is the heaviest. One cubic meter has more than 22 tons. What's the weight of one cubic meter of gold?

The density of gold is 19.3g/cm3, which is 19.3t/m3

How much heat can one kilogram of light oil, one kilogram of heavy oil, one cubic meter of natural gas and one cubic meter of gas generate when they are completely burned?
As above, please give me some advice,

The calorific value is different

How many calories does a kilogram of coal have?

If it is standard coal, it is 7000 kcal / kg
If it is raw coal, i.e. common coal, there is a conversion coefficient of raw coal standard coal: 1kg raw coal = 0.7143kg standard coal. According to this coefficient, the heat of 1kg raw coal is 5000 kcal