Jessica is measuring the amount of hydropower in a sustainable home. the first reading is 30 kilowatts (kw) and the second reading is 500 watts (w). what is the total amount of energy measured?     a30.5 kw  b35,000 w  c300,500 w  d305 kw

Afamily is one another name for a group on the table of elements.

The following reaction shows sodium carbonate reacting with calcium hydroxide. na2co3 + ca(oh)2 → naoh + caco3 how many grams of naoh are produced from 20.0 grams of na2co3? (molar mass of na = 22.989 g/mol, c = 12.01 g/mol, o = 15.999 g/mol, ca = 40.078 g/mol, h = 1.008 g/mol) 12.2 grams 15.1 grams 24.4 grams 30.2 grams

Which of the following would be an accurate picture of the earth during the summer time of the northern hemisphere?