You want to determine δh o for the reaction zn(s) + 2hcl(aq) → zncl2(aq) + h2(g) to do so, you first determine the heat capacity of a calorimeter using the following reaction, whose δh o is known:

How many molecules are found in 1.32 mol of nacl?

Select the correct answer from each drop-down menu.describe what happens to a carbon-11 atom when it undergoes positron emission.the decay of a carbon-11 atom _1_, and this causes it to emit _2_.options for 1: > changes a neutron into a proton> changes a proton into a neutron> is hit with a neutron> reconfigures its protons and neutronsoptions for 2: > a negatively charged electron-sized particle> a positively charged election-sized particle> two atoms and several neutrons> two neutrons and two protons

Is a pencil falling to the floor anon contact force, a force, or a contact force