thể tích 1m^3 ở nhiệt độ 27 độ c và áp suất 10^5 Pa , R=8,2*10^-5 atm/mol. K Na = 6,02*10^23 mol^-1 . tổng số phan tử có trong khối khí trên là

25pts the diagram shows the positions of the sun, moon and earth during spring tides, when the high tides are at their highest and low tides at their lowest. what is it about these positions that causes these high and low tides?

Jackson is designing a new heater, and he wants to experiment with different thermally conductive materials. which of these materials would be useful in conducting heat?

Occurs when an energy source transfers heat directly to another subject space; an example would be an object becoming warm by sitting in the sunshine