How many grams of sodium are needed to produce 2.24 L of Hydrogen gas at 23°C and 92.5

When the volume and number of particles of a gas are constant which of the following is also constant

Which of the following words describe the reality that the universe looks the same from various perspective

Why is it important for scientists to review and repeat the work of other scientists? 1.a scientific theory must be tested three times before it is proven. 2.the scientific method only applies to repeated experiments. 3.an experiment may have had errors that the scientists didn't recognize. 4.the results of individual scientists may be influenced by bias. 5.an experiment must be performed twice before the data can be analyzed.