What is the net ionic equation for the reaction that is represented by the following total ionic equation?
6na+2po2- +3ca2+ +601-
6na+ +6c1+ca3(po4)2
2na3po4 +3cacl2 > 6nacl+ca3(po4)2
2p03-3ca2+_ ca3(po4)2
2p02-+3ca2++601- 6na+ + ca3(po4)2
2p5+ +802-+3ca2+ - caz(po4)2

Consider the nuclear equation below. 239/94 pu—-> x+ 4/2 he. what is x?

Ethanol (c2h5oh) is produced from the fermentation of sucrose in the presence of enzymes. c12h22o11(aq) + h2o(g) 4 c2h5oh(l) + 4 co2(g) determine the theoretical yield and the percent yields of ethanol if 680. g sucrose undergoes fermentation and 326.5 g ethanol is obtained. theoretical _ g _ percent %

Aradio signal from a gps satellite take only about 0.067 seconds to reach a gps reciever. if the speed of light is about 300,000km/s, then approximately how far away is the reciever from from the satellite?