Write a molecular equation for the precipitation reaction (if any) that occurs when the following solutions are mixed. If no reaction occurs, write noreaction .
Part A
potassium chloride and lead(II) acetate
Part B
lithium sulfate and strontium chloride
art C
potassium bromide and calcium sulfide
Express your answer as a chemical equation. Enter noreaction if no precipitate is formed. Identify all of the phases in your answer.

An alloy contains 66 g of pure zinc. what is the percentage of zinc in the alloy? express your answer to two significant figures and include the appropriate units.

C=59(f−32)the equation above shows how temperature f, measured in degrees fahrenheit, relates to a temperature c, measured in degrees celsius. based on the equation, which of the following must be true? a temperature increase of 1 degree fahrenheit is equivalent to a temperature increase of 59 degree celsius.a temperature increase of 1 degree celsius is equivalent to a temperature increase of 1.8 degrees fahrenheit.a temperature increase of 59 degree fahrenheit is equivalent to a temperature increase of 1 degree celsius.a) i onlyb) ii onlyc) iii onlyd) i and ii only

Comparing john newland’s octaves with the modern periodic table, which 5 elements have been discovered between hydrogen and iron since newland’s time?