1. Light of wavelength 900x10m is emitted by a source. What is its frequency? a. 3.33x1014 Hz b. 3.33x10-14 Hz
C. 3.33x10-4hz
d. 270 Hz​

An electrons position cannot be known precisely only it's probability of being in a certain location can be known

Which statement correctly identifies the scientific question and describes why the question is scientific? question 1 refers to the supernatural. question 2 reflects a moral or social value. question 3 refers to something that can be measured. question 4 reflects a question that can’t be observed.

Consider the following reaction at equilibrium. 2co2 (g) 2co (g) + o2 (g) h° = -514 kj le châtelier's principle predicts that the equilibrium partial pressure of co (g) can be maximized by carrying out the reaction a. at high temperature and high pressure b. at high temperature and low pressure c. at low temperature and low pressure d. at low temperature and high pressure e. in the presence of solid carbon