A few drops of mixture of sodium hydroxide solution and copper two tetraoxosulphate six solution were added to a sample of urine in a test tube. State two possible results of the test. What corresponding inferences can be made from the results above?

How many grams of oxygen gas are contained in a 15 l sample at 1.02 atm and 28°c? show your work.

The yearly amounts of carbon emissions from cars in belgium are normally distributed with a mean of 13.9 gigagrams per year and a standard deviation of 5.8 gigagrams per year. find the probability that the amount of carbon emissions from cars in belgium for a randomly selected year are between 11.5 gigagrams and 14.0 gigagrams per year. a. 0.340 b. 0.660 c. 0.167 d. 0.397

Which of these statements best explains why space exploration should be encouraged? it prepares humans to live without oxygen. it dispel myths about objects in space. it prevents comets and asteroids from striking earth. it creates technology to absorb harmful radiations in space.