A neutral atom of sodium (Na) with 11 protons and an atomic mass of 23 has_ electrons

Areaction is first order with respect to reactant x and second order with respect to reactant y. which statement describes the rate law for this reaction?

Achemist who studies water samples did a demonstration of how to test for lead in water. she added a clear solution of potassium iodide to a clear solution of lead nitrate. then a yellow swirling solid formed in the liquid. what is most likely true about the yellow solid?

2h2o2 → 2h2o + o2 synthesis decomposition combustion