Examlex
In the reaction 2 Na + 2 H2O → 2 NaOH + H2, how many liters of hydrogen at STP are produced from 50.0 grams of sodium (Na = 23.0, O = 16.0, H = 1.0 g/mol) ?
Q3: A 2.000 g sample of water contains
Q9: What volume of acetylene gas, C<sub>2</sub>H<sub>2</sub>, would
Q20: What is the ground state electron configuration
Q43: What are the ideal bond angles for
Q49: An organic compound contains C, H, and
Q49: In which of the following cases is
Q57: The three molecular shapes an sp3 hybridized
Q64: To what uncertainty, in pm, can the
Q88: Which comparison of atomic and/or ionic radii
Q88: On a very cold day in Alaska,