I found a type of rock in the woods it's kinda rough black with some purple like a lavender purple and i can break it into pieces what could it be?

Is Fe (OH) 3 soluble or insoluble?

How many moles of electrons are required to reduce one mole of bromine gas (br2) to 2 moles of bromide ions (br-) ?

Type the correct answer in the box. Oxygen is in group 16, and it has v alence electrons. Reset Ne

Where does the oxidation occur during the recharge of a nickel cadmium rechargeable battery?

Balance the following reaction: AI2O3 + HCI → AICI3 + H2O

Marcus measured the masses and volumes of samples of four different substances, and he calculated their densities. The table shows Marcus's measured and calculated values. Substance Mass (g) Volume (cm3) Density (g/cm3) aluminum 5.7 2.1 2.

5. Rocks and sediment change their form as they move through the rock cycle. Which change involves melting? O lava to rock O magma to lava O rock to magma rock to sediment Submit .

Glucose is a simple sugar made up of a carbon, hydrogen, and oxygen. What kind of molecule is glucose?

Imagine that you have a 7.00 LL gas tank and a 3.50 LL gas tank. You need to fill one tank with oxygen and the other with acetylene to use in conjunction with your welding torch.

Which profession is likely to use a radiation shield