A 101 g of an unknown metal at 50 o C is placed in 40 g of water at 25.0 o C (C p for water is 1 cal/g o C). The temperature of the system at equilibrium is 29.7 o C. What is the unknown metal?

If a simple machine aduces the strength of a force, what must be increased? the speed of the input force the work the simple machine performs the size of the simple machine the distance over which the force is applied

Tinererining 01: 57: 44 which statement correcte describes the actual veld and the theoretical yield of a reaction? textual vec is calculated to the reactant amounts but the theoretical yeld must be measured for each instance of a the actual vec is calculated from the amount of the limiting reactant and the theoretical yield is calculated from the 发公主 the actual weld depends on the reaction centers, but the theoretical yield and only with reactant amounts the actual vele represents the maximum weld possible and the theoretical yield assumes perfect reaction conditions save and ext e அட

Sulfur and oxygen atoms are present in sulfur trioxide, so3. to make 10^20 molecules of so3, how many atoms of s and how many of o are needed?