Lead has a density of 11.3g/cm3 and a mass of 282.5 g. what is its volume? A. 2.5cm3 B. 25cm3 C. 250cm3 D. 2500cm3

An ionic bond occurs between what particles

The half-life of a certain element is 100 days. How many half-lives will it be before only one-fourth of this element remains? 4 50 25 2

Charlie is drinking a cup of soup which has a pH of 8. Jack is drinking a cup of orange juice with a pH of 6. which item has more free H + ions? Approximately how many more H + ions does the drink with more have?

What happens when energy is removed from liquid water

Every oxygen atom has 8 electrons. what can you learn from the electron configuration of oxygen

Which is the best metal to use in an alloy to increase its electrical conductivity

Ice does not need to melt into liquid water before it can return to the atmosphere as water vapor. a. True b. False

How much ice at a temperature of - 17.5 ∘C must be dropped into the water so that the final temperature of the system will be 31.0 ∘C?

Why does a gas fill completely the vessel in which it is kept?

Individuals who work full time and those who work part-time enjoy basically the same number of paid leave benefits. True False