Which of the following are true about the element carbon? It can only form four bonds. It can form more than four bonds. It can link to other carbon atoms in long chains. It is the main component of charcoal.

A solution contains 35 grams of KNO3 dissolved in 100 grams of water at 40°C. How much more KNO3 would have to be added to make it a saturated solution? (1) 29 g (3) 12 g (2) 24 g (4) 4 g

Which word equation represents a neutralization reaction

The concentration of a biomolecule inside a rod-shaped prokaryotic cell is 0.0051 m. calculate the number of molecules inside the cell, which is 2.4 μm long and 1.3 μm in diamete

2 h2 o2---> 2 h2o how many moles of water are produced when 2 moles of hydrogen gas are mixed with 2 moles of oxygen gas?

Which of the following is an example of frontier research? A. Investigating how organisms are made of cells. B. Testing the electrical resistance of different materials. C. Discovering the nature of dark matter. D.

Does the buckminsterfullerene conduct electricity?

If an element has 2 valence electrons, how many dots will be in the elements dot diagram?

the state of water is determined solely by the conditions of: A) volume and mass B) temperature and volume C) pressure and mass D) pressure and temperature

When a chemical reaction and its reverse are occurring at the same time and at the same rate, the reaction has achieved a. displacement. c. imbalance. b. equilibrium. d. decomposition.

A certain shade of blue has a frequency of 7.04 * 1014 Hz. What is the energy of exactly one photon of this light?