Name three chemical properties of wood

25 cm3 of a solution sulphuric acid is required for neutralising 40 cm3 of 0.035 mol/dm3 potassium hydroxide. Find the concentration of sulphuric acid in mol/dm3

A scientist makes several observations, develops a question, researches what is known about the question, forms a hypothesis, and performs a series of experiments to test her hypothesis.

Seafood Watch has made several unsustainable fishing practices illegal. true or false

Identify whether longhand notation or noble-gas notation was used in each case below. Potassium (K) : 1s22s22p63s23p64s1

Sue places a bucket of ice on a scale and finds that it has a mass of 3.7 kilograms. If the bucket sits for a few hours and the ice turns to liquid, what will the mass of the liquid be? Explain.

Which of these is a property of bases? They produce hydrogen gas when reacted with metals. They turn litmus paper blue. They feel sticky. They taste sour.

After Pangaea broke up, North America became part of what?

What the different betwen observe and reference

How many moles are in 12.5 g of H2O

How do the atomic number and the number of protons relate to one another? The atomic number tells us the number of protons The atomic number is protons + neutrons They do not Electron Cloud