7. methane, ch, burns in oxygen gas to form water and carbon dioxide. wequation for this reaction? a. ch4+ o h2o co2b. ch4+ 40 2h20+ co2c. ch4 o2 h2o co2d. ch4+ 202 2h20 co2
8. how many atoms are present in 3 moles of chromium? c. 1.80 x 1024 atomsa. 6.02 x 1023 atomsb. 1.80 x 1023 atomsd. 52.00 atoms
9. how many grams of co2 are in 2.1 mol of the compound? a. 21.0 gc. 66.0 gb. 44.0 gd. 92.4 g

In saturated organic compounds, all the bonds between carbon atoms are called?

In the cathode ray tube experiment, j. j. thomson passed an electric current through different gases inside a cathode ray tube in the presence of an electric field. in which two ways did this experiment change scientists’ understanding of the atom?

Why is the bond angle in a water molecule less than the bond angle of methane? a. the central oxygen atom in water has two lone pairs of electrons, whereas the central carbon atom in methane has no lone pairs. b. the central hydrogen atom in water has one lone pair of electrons, whereas the central carbon atom in methane has two lone pairs. c. the central oxygen atom in water has four lone pairs of electrons, whereas the central carbon atom in methane has only one lone pair. d. the central oxygen atom exerts more repulsive force on surrounding atoms than the central carbon atom in methane does. reset next