A metal block has a mass of 122 grams and measures 2cm x 2cm x 4cm. What is the density of the block?

What volume is equivalent to 12.0 m3? 1.2 x 10-6 km3 1.2 x 10-3 km3 1.2 x 104 mm3 1.2 x 1010 mm3

Laboratory preparation of ethyne

An illegal drug stimulates the parasympathetic nervous system, causing the user to appear tranquilized. What could indicate to a paramedic whether or not the person took this drug? A. High blood pressure and drooling B.

The element chlorine has an atomic weight of 35.5 and consists of two stable isotopes chlorine-35 and chlorine-37. The isotope chlorine-35 has a mass of 35.0 amu and a percent natural abundance of 75.5 %.

Which of these is an acid

How are electromagnetic different than all other waves

Find the ratio of speeds of an electron and a negative hydrogen ion (one having an extra electron) accelerated through the same voltage, assuming non-relativistic final speeds. Take the mass of the hydrogen ion to be 1.67*10^{-27} kg.

A type of rock that undergoes changes because of heat and pressure

How many milliliters of a 1.25 molar HCL solution would be needed to react completely with 60 g of calcium metal Ca+2HCl - - > CaCl2 + H2

What mass of copper is required to replace silver from 4. oog ogre silver nitrate dissolved in water