A mixture of helium and hydrogen gases is maintained in a 8.88 L flask at a pressure of 3.58 atm and a temperature of 53 °C. If the gas mixture contains 2.03 grams of helium, the number of grams of hydrogen in the mixture is g.

no, the red giant is the hottest with 2.00.000.000 degrees celsius. while the white dwarf only 25,000 degrees celsius.

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the atomic number of carbon is six, which means that a carbon atom has six protons. carbon has three naturally occurring isotopes: carbon-12, carbon-13, and carbon-14. which of these statements are true about carbon and its isotopes? select all that appl