Answers created by yourfavoriteweapon

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• A gas has a pressure of 0.370 Kpa at 50.0 C and a volume of 142ml. How many moles of gas are there?
  
• Question #2ccd8
  
• How do you determine if the following integral is convergent or divergent using the comparison theorem? `int_0^oo (arctan(x))/(2+e^x)dx`
  
• What is an acid chemical compound?
  
• How do you evaluate the limit `lim(5x^2)/(2x)dx` as `x->0`?
  
• How do you evaluate the integral `int 3sinx+4cosxdx`?
  
• What signs indicate that a chemical reaction may have occurred?
  
• How do you solve `4x^2-7x+1=0` using the quadratic formula?
  
• How many atoms are in 2.70 moles of iron atoms?
  
• What is the density of nitrogen gas at 90.5 kPa and 43.0 °C?
  
• Question #33096
  
• How many grams are in 0.75 moles of `CO_2`?
  
• What element has the lowest first ionization energy?
  
• How can atomic number and mass number be used to find the numbers of protons, electrons, and neutrons?
  
• What is the derivative of `f(t)=cos^2(3t+5)`?
  
• Question #c0a51
  
• How do you factor `5x^{2} + 11x + 7`?
  
• How do you simplify `3\sqrt{121}`?
  
• How do you factor `x^ { 2} + 10x + 25`?
  
• How do you solve `5( x + 4) = 40`?