1. What will be the coefficients for balancing following equation?
Na + HCI > NaCl + H2

This is the star at the center of the solar system around which the earth and other matter orbit

Check the correct box to describe the periodic trends in electronegativity. electronegativity across a period: decreases. increases. electronegativity down a group: decreases. increases.

Used the balanced equation 2h2+ o2 - -> 2h2o. if you have 7.2 grams of o2 , how many grams of h2o can you produce ?