Mass Melting Point of Tin Melting Point of Lead (kg) (°C) (°C)
1 W Y
2 232 327

Part 1: What will be the values of W and Y for 1 kg of each substance?
Part 2: Explain your answer for Part 1.

What is the volume of the fluid in the graduated cylinder with accuracy and measured to the correct degree of precision? 41.2 ml 42.0 ml 41.23 ml 41.89 ml

Count the number of each type of atom in the equation below, and then balance the equation. write in the numbers of atoms and coefficients. add a 1 if there should be no coefficient. cs2(l) + o2(g) → co2(g) + so2(g) c [ ] s [ ] o > c [ ] s [ ] o [ ] cs2(l) + [ ] o2(g) > [ ] co2(g) + [ ] so2(g)

How many moles of bromine are needed to produce 3.23 moles of potassium bromide