A 10.0 gram sample of h2o at 23.0c absorbs 209 joules of heat. what is the final temperature

What is the name of the molecular compound SO2

26. Identify the weak diprotic acid. 2803 B) HCOOH C) H3PO4 D) H2PO4 E) CH3COOH

What was first responsible for changing the formerly poisonous atmosphere to an oxygen-rich atmosphere as we have today? Meteor impacts Volcanic gases Earthquakes Photosynethic bacteria (Cyanobacteria)

What do nuclear reactions change in the atom? covalent bonds ionic bonds electrons neutrons protons you can choose multiple

Jose gets up from his seat on the bus to move closer to the front. Just as he begins to walk forward, the bus stops at a light.

Which one of the following Acids is most likely to hurt you? Acid A: 1.0 M; Acid B: 0.0001M

Which statement accurately describes the atoms of a specific element? explain your answer in complete sentences. A. A Neon, Ne, atom contains 10 electrons outside the nucleus and 11 neutrons inside the nucleus. OR B.

What is the volume of 2.00 moles of chlorine (cl2) gas at stp, to the nearest tenth of a liter?

A reaction of 12.640 g of copper oxide with 0.316 g hydrogen produces 2.844 g of water and Xg of copper. X=_9

If i burn steel wool inside a closed jar or bottle will the oxygen be completly gone