16. Brass is an alloy made up of

A. aluminium and zinc.

B. copper and tin

C. copper and zinc.

D. iron and carbon

How did james chadwick discover the neuron?

compared to a solution with a pH of 6, the hydronium ion concentration of a solution with a pH of 4 has how many more Times the concentration of hydronium ions?

Which is an example of parasitism? Group of answer choices A. A zombie fly lays eggs in a honey bee. B. A bird eats a praying mantis. C. A round worm infects a dog. D. A butterfly lays eggs on a butterfly bush.

Convert 5.4 atm to torr

What is the answer to this question What is H2O

77.60 ml of. 210 M NaOH are required to neutralize 25.05 ml ofH2SO4 solution in a titrationexperiment. Calculate the molarity and normality of theH2SO4 solution.

A 25.0 g bold made of an alloy absorbed 250 J of heat as its temperature changed from 25.0 °C to 78.0 °C. What is the specific heat of the alloy?

How is an areas topography determined?

How to put a solution back into solution when it comes out of solution chemistry?

When the isotonic saline solution described in part A is connected to an unknown solution via a semipermeable membrane, the unknown solution level drops.