Answers edited by Kalit Gautam

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• What is the formula for barium oxide?
  
• How do you solve #2 sin x -1 = 0#?
  
• How do you write an equation of a circle whose diameter has endpoints (-4, 2) and (4, -4)?
  
• How to integrate this?
  
• Which one out of water and wood can be compressed easily and why?
  
• How many electrons are unpaired in the orbitals of nitrogen?
  
• A spherical balloon inflated at a rate of 4pi cm^3/sec. initial volume of balloon 0, how fast is radius expanding after 9 sec (r=0.03m)?
  
• Are all metal oxides, carbonates, hydroxides are basic in nature?
  
• Is salt a mixture ?
  
• How shall I proceed in this sum? If #x=sint# and #y=sin2t#, prove that (i) #(1-x^2)(dy/dx)^2=4(1-y^2)# (ii) #(1-x^2)(d^2(y)/dx^2)-xdy/dx+4y=0#
  
• How do you simplify #( sqrt[6] + 2 sqrt [2] ) ( 4 sqrt[6] - 3 sqrt[2] )#?
  
• How to find the determinant of the matrix here ?
  
• How can I find angle θ between two vectors?
  
• Why do elements burn different colors?
  
• Please solve q 25?
  
• What is the Balanced chemical formula of calcium bicarbonate?
  
• Do electric fields affect humans?
  
• The volume of a triangular prism is #50# #m^3#. The length of the prism is #5# #m#. What is the area of each triangular face?
  
• How do you convert #3=(7x-5y)^2-y# into polar form?
  
• A spherical balloon inflated at a rate of 4pi cm^3/sec. initial volume of balloon 0, how fast is radius expanding after 9 sec (r=0.03m)?
  
• How much work does it take to lift a #58 kg # weight #4 m #?
  
• How do you evaluate #(-16)-(-36)#?
  
• Do bases conduct electricity ?
  
• How many grams of AgCl are needed to make a 2m solution?
  
• N 2 ( g ) + 3 H 2 ( g ) ⟶ 2 N H 3 ( g ) In a certain reaction, 5.0 moles of hydrogen is reacted with excess nitrogen. To determine how many moles of ammonia are produced, what conversion factor should be used?
  
• What will be the product when C6H6Cl6 is heated with alc. KOH? Please explain the mechanim too.
  
• How does Methane and Diamond differ in terms of structure and properties?
  
• Question #ab9f8
  
• How do you solve #abs(x-1/3)-2=1?#?
  
• How to integrate this?
  
• How do you figure out a diagonal measurement of a rectangle if width is 14' and the height is 5'?
  
• How do you find the range of f(x)=√((x^2)-4)?
  
• Find a,b, c and d in this function when given the inflection point and a local minimum point?
  
• How do you find #int cot^2x*tan^2xdx#?
  
• How do i find the missing angles of a triangle?
  
• Question #9450a
  
• How to determine whether f(x)3sin2x +5 is one-to-one function. How to find the inverse of the function?
  
• How do you solve #abs(x-1/3)-2=1?#?
  
• How do you factor #x^3 - 12x^2 + 35x#?
  
• What is the use of convex mirrors other than rear view mirrors?
  
• Identify the y-intercept of the following linear equation whats the y intercept?
  
• Define Ionization energy. ?
  
• Please solve q 8?
  
• Question #28192
  
• What is the integral of #int (2x-sinx) / (x^2 + cosx)#?
  
• Question #b04e0
  
• How do sn1 reactions differ from sn2 reactions?
  
• How do you simplify #(a^ -6) * (b^ 2) / (a^ -3) * (b^8)#?
  
• What is the second derivative of f(x)=ln (x+3)?
  
• How do you solve #2cosx+3=0#?
  
• How do you prove #tan(pi/4 + theta) - tan(pi/4 - theta) = 2tan2theta#?
  
• 2NO(g) + O2 (g) --> 2NO2 How many moles of O2 are required to produce 92.0 g NO2?
  
• What is the weight of the oxygen element in 10 moles of pure water?
  
• Why does ethene not conduct electricity?
  
• How to draw the derivative on the graph?