Atotal of 54.0 joules of heat are absorbed as 58.3 g of lead is heated from 12.0° c to 42.0° c. what is the specific heat of lead? * 1 point 0.031 joules/grams x degrees celsius 0.022 joules/grams x degrees celsius 0.017 joules/grams x degrees celsius 0.029 joules/grams x degrees celsius

Both speed and velocity measure how fast something is moving. however, since speed is not a it does not require a(n question 6 options: a) quantity , unit b) magnitude, unit c) scalar, direction d) vector, direction

Which of the following compounds would be primarily ionic? methane, ch4, ammonia nh3, calcium chloride, cacl2, or carbon dioxide, co2

Atoaster oven has a resistive heating element. the average rate at which it dissipates energy as thermal energy is 1.00 \(\rm kw\). in the united states, emf amplitude in household circuits is \(\mathcal e_{\max}\) = 170 \({\rm \; v}\) and the \(\rm ac\) oscillation rate is 60 \(\rm hz\). part a what is the root-mean-square current through the heating element?