If there are 3 moles of gas A, 4 moles of gas b and 5 moles of gas c I'm a mixture of gases and the pressure A is found to be 2.5 atm, what is the total pressure of the sample of gases

Use the periodic table to determine how many grams of oxygen would be required to react completely with 859.0 g c2h2

Use the half-reactions of the reaction au(oh)3 + hi -> au +i2 +h2o to answer the questions

Which activity describes an application of topographic maps? check all that apply. recreation, such as camping and hiking engineering, such as the construction of roads and buildings science, such as mapping stars in the sky business, such as analyzing population centers science, such as analyzing surface features