6.21 x 10^3 = (Move decimal point 3 spaces to the right)
6210
6210 (0.1050)
652.05
The equation is already balanced
2AgNO3 + MgCl2 => 2AgCl + Mg(NO3)2
<span>metal + acid → salt + hydrogen.zinc + sulphuric acid → zinc sulphate + hydrogen.<span>magnesium + hydrochloric acid → magnesium chloride + hydrogen.</span></span>
Explanation: Because ocean tides are the effect of ocean water responding to a gravitational gradient, the moon plays a larger role in creating tides than does the sun. But the sun's gravitational gradient across the earth is significant and it does contribute to tides as well.
