help please!! How much heat (kJ) is required to raise the temp of 654 g of silver from 24.5C to 89.7'C?

3.) for each of the following compounds, draw the major organic product of reaction with hcl or naoh and circle whether the starting materials and products will be more soluble in organic solvent or water benzoic acid + hcl: benzoic acid + naoh: oh benzoic acid water/organic water organic fluorenone hс: fluorenone + naoh: fluorenone water/organic water/organic веnzocaine + hci: benzocaine + n»oh: h2n benzocaine water/organic water organic o=

When balancing a chemical equation:

Avariable that is not being directly tested during an experiment should be changed varied experimented controlled