Determine the number of moles of N atoms in 46.5g of Mg (NO3) 2

Which best describes Walt's mistake? A. Only dead plants form natural gas. B. Land plants and animals form natural gas. C. Natural gas only requires extreme pressure to form. D. Natural gas takes millions of years to form

10. Copper (i) bromide reacts with magnesium metal: 2 CuBr + Mg → 2 Cu + MgBrz If 0.253 moles of magnesium react in this way, a. How many grams of CuBr are consumed?

What role does heat have in plate tectonics? Question 4 options: It thins out oceanic crust It causes gas to escape the core of the earth It causes volcanic eruptions It moves crust plates around

True or false the nucleus of an atom is made of protons and neutrons

Define VSEPR theory

Water flows at the rate of 0.5 kg/s in a 2.5-cm-diameter tube having a length of 4 m. A constant heat flux is imposed at the tube wall so that the tube wall temperature is always 50°C higher than the water temperature.

Which of the following equations represents a double-displacement reaction? A. FeS (s) + 2HCl (aq) ® H2S (g) + FeCl2 (aq) B. 2Sb (s) + 3I2 (g) ® 2SbI3 (s) C. Zn (s) + H2SO4 (aq) ® ZnSO4 (aq) + H2 (g) D. 2HgO (s) ® 2Hg (l) + O2 (g)

Consider the Williamson ether synthesis between 2-naphthol and 1-bromobutane in strong base. A reaction was performed in which 0.51 g of 2-naphthol was reacted with a slight excess of 1-bromobutane to make 0.29 g of 2-butoxynaphthalene.

How many molecules of n2 are in a 300.0 ml container at 780 mmhg and 135°c?

Why is gas able to flow