Answers created by Wilson T

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• Question #67db3
  
• A hydrocarbon contain 0.0334 mol of carbon, 0.0668 mol of hydrogen and 0.0167 mol of oxygen. what is the empirical formula of the hydrocarbon.?
  
• Question #cd3c6
  
• Write an equation to show how the HSO4- ion can act as an Arrhenius acid and write an equation to show hoe HSO4- ion cam act as a Bronsted-Lower base?
  
• What is the molecular weight of vitamin K1 C31H46 O2-?
  
• The elementary reaction 2H2O(l) <--> 2H2(g) + O2 (g) has the partial pressures of H2O, H2, and O2 reach 0.0500 atm, 0.00200 atm, and 0.00450 atm respectively. What is the value of the equilibrium constant at this temperature?
  
• Question #420ac
  
• Question #c9b0f
  
• Where are the d-block metals on the periodic table?
  
• If 15.5 grams of aluminum, wit an initial temperature of 25.0 degrees Celsius, absorbs 155 joules of heat energy, what will be its new temperature?
  
• Question #7e213
  
• Question #fa899
  
• Question #c835c
  
• Question #787b9
  
• Is matter in the plasma state is the most common on Earth?
  
• Question #4e3c8
  
• A sample of mercury absorbed 257 J of heat and its mass was .45 kg. If it's temperature increased by 4.09 K, what is its specific heat in J° / kg K?
  
• What is the pH of a 0.050 M NaOH solution?
  
• How do you find the inverse of #f(x)=3x+1# and graph both f and #f^-1#?
  
• Question #f0861
  
• How do you simplify #2 abs(3(-3) -5)#?
  
• What type of bonding around a central atom would result in a trigonal planar molecule?
  
• How do you determine the specific heat of ice?
  
• Question #d7060
  
• To which group in the periodic table does lithium belong? How many valence electrons does it have?
  
• Question #2c872