Answers created by Fir3hawk

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• Question #c8810
  
• What is the equation of the line that goes through #(4,-2)# and is perpendicular to #y=x#?
  
• How do you condense #2\log _ { 3} 10+ 5\log _ { 3} y - \frac { 1} { 2} \log _ { 3} x#?
  
• How do you write #Y=2x+4# in standard form?
  
• When sodium chloride, #NaCl#, is dissolved in water, the sodium and chloride ions move apart from one another. Why doesn't the sodium then react explosively with the water, like solid sodium metal does?
  
• How do you solve #\frac { 3( 6- x ) } { 2} - 3> \frac { 2( 1+ x ) } { 5}#?
  
• What is the pressure exerted by 32.00 g of Oxygen gas in a 20. L container at 30.00 C? Use R = 0.0821 L atm/mol k?
  
• How do you multiply #(2m+3)(m-1)#?
  
• How do you write an equation in point slope form given slope of 2 and contains the point (3,7)?
  
• What is Square root of 464 in simplest radical form?
  
• How do you solve #x+(x+5)/(x-7)=(10x-58)/(x-7)# and check for extraneous solutions?
  
• If given: #Sn(s) + Cl_2(g) -> SnCl_2(s)#, #DeltaH = -325 kJ# and #SnCl_2(s) + Cl_2(g) -> SnCl_4(l)#, #DeltaH = -186 kJ#, what is #DeltaH# for this reaction? #Sn(s) + 2Cl_2(g) -> SnCl_4(l)#
  
• How do you combine #3x ^ { 2} ( 3x - 2) - 9x ( 3x - 2) ^ { 2}#?
  
• How do you convert from moles to particles?
  
• What caused a large deflection of alpha particles in Rutherford's experiment?
  
• Question #9a3d6
  
• Isotopes are atoms of the same element with the same number of protons and a different number of what?
  
• What is the area of a poster that is 70 cm by 17 cm?
  
• A shipping measures 20 feet by 8 feet by 6 feet. What is the surface area of the container?
  
• Is the sum of measures of the angles of any triangle 90?
  
• Why is wood a heterogeneous mixture?
  
• Are more than three-fourths of the elements in the periodic table nonmetals?
  
• How do molecules move in three states of matter?
  
• How do you simplify #10^2 times 0.23#?
  
• What is an excess reactant?
  
• A line passes through #(4 ,9 )# and #(1 ,6 )#. A second line passes through #(3 ,7 )#. What is one other point that the second line may pass through if it is parallel to the first line?
  
• What is 11/3• 18?
  
• What is the most reactive group on the periodic table?
  
• How do you convert 5% to a fraction?
  
• How do you find the following product #(8y+ 3)^2#?
  
• What is 1 1/3 as a decimal?
  
• Can you explain the significance of Rutherford's gold foil experiment?
  
• Question #e6de5
  
• 93 is what percent of 186?
  
• How do you write the number in two other forms 0.489?