Which of these is considered a native element?

a. pyrite

b. galena

c. platinum

d. cinnabar

If 89.6 joules of heat 20.0 grams of iron from 30.0 C to 40.0 C, what is the specific heat of the iron in J/g. C?

Aqueous potassium bromide reacts with aqueous silver nitrate AgNO3 to form aqueous potassium nitrate KNO3 and solid silver bromide. Write a balanced chemical equation for this reaction.

What's the relationship between temperature and motion

A 15.0 kg chunk of ice falls off the top of an iceberg if the chunk of ice Falls 8.00 to the surface of the water what is the kinetic energy of the chunk of ice when it hits the water and what is its velocity how do you work that out

What is the concentration of a solution?

Peter is 5 ft, 11 inches tall. Paul is 176 cm tall. Who is taller?

Which is the MOST accurate description about how the different types of feedback mechanisms work

What was one of the main benefits to the use of the icebox for cooling food?

How many moles of chlorine gas would occupy a volume of 35.5 L at a pressure of 0.98 atm and a temperature of 373 K?

What are the building blocks