Answers created by IDKwhatName

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• The number of Solutions in `[0,2pi]` such that `(Sin (2x))^4 = 1/8` is?
  
• How do you find the exact value of `sin(sin^-1(0.3))`?
  
• How to write the name of Hau3+ ion using stock notation. For example HAuCl4 is written as.......(lll) chroride. Fill the blank space?
  
• How do you evaluate `6[ 7+ 6( 9- 3) ]`?
  
• Question #9605d
  
• What would a six coordinate metal-ligand complex structure look like?
  
• Question #7d840
  
• A piece of metal has a density of 11.3 g/cm^3 and a volume of 6.7 cm^3 what is the mass of the piece of metal?
  
• If `24 L` of a gas at room temperature exerts a pressure of `8 kPa` on its container, what pressure will the gas exert if the container's volume changes to `15 L`?
  
• Question #d6d20
  
• How to prove that `e^x-x` is decreasing for x<0, without using derivatives?
  
• How do you simplify `\frac { \sqrt { 2- \sqrt { 3} } } { \sqrt { 2+ \sqrt { 3} } }`?
  
• How do you solve `(x+7)/(x-4)<0`?
  
• ?Ten slips of paper are each marked with a different number (from 0 to 9) and placed in a basket. A slip is pulled out, its number is recored (in the order it is drawn), and the slip is replaced. This is done 4 times.
  
• Question #de0ac
  
• How do you evaluate `e^( ( 7 pi)/4 i) - e^( ( 4 pi)/3 i)` using trigonometric functions?
  
• How do you solve `p^ { 2} - 35= 7+ p`?
  
• Question #1036e
  
• How do you solve `sqrtz=-1`?
  
• Angie Applegate has a photograph for which the length is 2 inches longer than the width. If she increases each dimension by 4 inches, the area is increased by 88 square inches. How do you find the original dimensions?
  
• Question #48769
  
• Question #f20f3
  
• How do you multiply and simplify `\frac { 4x - 2} { x - 2} \cdot \frac { 4x + 2} { 16x ^ { 2} - 4}`?
  
• Question #bc3b5
  
• A car has a mass of 820 kg. It starts from rest and travels 41 m in 3.0 s. What is the net force applied to the car?
  
• Question #56525
  
• How do you find the area of `triangle ABC` given b=14.6, c=12.8, `mangleA=56`?
  
• What do the four quantum numbers stand for?
  
• Question #9c419
  
• How do you solve `4e^(0.045t)<1600`?
  
• Which of the noble gases are molecules or compounds?
  
• Question #f4e10
  
• A wheel that has a radius of 0.150 m and a force of 20.0 N is suspended from its rim. What is the torque?
  
• How do you simplify `(3a + 3b)/(-a-b)`?
  
• If a spring has a constant of `7 (kg)/s^2`, how much work will it take to extend the spring by `21 cm`?
  
• How do you solve `\frac { 1} { 2} ( 4x - 1) ^ { 2} = 4`?
  
• A cyclist travels M km at V km/h and N km at U km/h. How do you the average speed of the cyclist?
  
• What are nuclear equations?
  
• Question #40c08
  
• How is the oxidation of aluminum metal represented?
  
• Question #5991c
  
• How do you evaluate `e^( ( 23 pi)/12 i) - e^( ( 7 pi)/12 i)` using trigonometric functions?
  
• Two charges of `-2 C` and `3 C` are positioned on a line at points `3` and `4`, respectively. What is the net force on a charge of `-9 C` at `0`?
  
• How many ways can an adviser choose 3 students from a class of 10?
  
• Question #a20e7
  
• What is the volume of `2*mol` of an Ideal Gas at `0` `""^@C`, and `1*atm`?
  
• Question #67a20
  
• How many joules of potential energy does a 1-kg book gain when it is elevated 4 m? What about when it is elevated 8 m?
  
• How do you solve `\sqrt { x ^ { 2} - 2x + 4} = \sqrt { x ^ { 2} + 5x - 12}`?
  
• A mixture of .250 moles O2, .297 moles N2, and .134 moles Ar has a total pressure of 1.95 atm. What is the mole fraction of O2 and what is the partial pressure of O2?
  
• How do you solve `abs(2y+7)=7`?
  
• Question #f2c41
  
• Question #d9326
  
• Question #f08a8
  
• Question #7dd0d
  
• Question #338a0
  
• At room temperature, an oxygen molecule, with mass of `5.31 x 10^-26 kg`, typically has a KE of about `6.21 x 10-21` J. How fast is the molecule moving?
  
• An object with a mass of `12 kg`, temperature of `210 ^oC`, and a specific heat of `7 J/(kg*K)` is dropped into a container with `32 L` of water at `0^oC`. Does the water evaporate? If not, by how much does the water's temperature change?
  
• How do you find the roots, real and imaginary, of `y= x^2-39x-2(3x-1)^2` using the quadratic formula?
  
• What is the function of a salt bridge?
  
• Question #4af98
  
• How many molecules or formula units are present in the following? A)1 mole of H2O B) 2.67 moles of CO2
  
• The gas inside of a container exerts `25 Pa` of pressure and is at a temperature of `750 ^o K`. If the temperature of the gas changes to `550 ^oC` with no change in the container's volume, what is the new pressure of the gas?
  
• How do you convert the following? A)0.56 mol C6H6 to molecules C6H6 B) 4.25x10^-4 mol to H2SO4 to grams
  
• You have a 1 L container of a gas at 20°C and 1 atm. Without opening the container, how could you tell whether the gas is chlorine or fluorine?
  
• A dog having a mass of 32.0 kg runs at a constant pace of 9.50 km/hr. What the magnitude of the dog's momentum?
  
• The cost of an article is $6.90 and the selling price is $11.04. What is the percent markup?
  
• Question #08e08
  
• How do you simplify `sqrt(63w^36)`?
  
• Question #42257
  
• What does a high specific heat tell about a substance?
  
• Question #d7677
  
• When you mix copper and tin, you make bronze. No chemical reaction occurs. What is bronze?
  
• What are all the colors of indicators?
  
• What is the electronegativity difference in a homonuclear diatomic molecule?
  
• Why is electricity not a form of matter?
  
• What materials do they use for the anode and cathodes of Iithium ion batteries?
  
• What is the measurement 1042 L rounded off to two significant digits?
  
• Whats the difference between ez isomerism and cis and trans isomers? (they both seem to basically have the same rules so i don't get the difference)
  
• How are dipoles drawn?
  
• An object with a mass of `64 g` is dropped into `210 mL` of water at `0^@C`. If the object cools by `96 ^@C` and the water warms by `7 ^@C`, what is the specific heat of the material that the object is made of?
  
• How do I graph the rational function `y=(-3x+5)/(-5x+2)` on a graphing calculator?
  
• How do you find the inverse of `f(x) = (3x + 4) / 5`?
  
• Is `f(x)=(x-2)^2(x+1)(x+4)` increasing or decreasing at `x=1`?
  
• How to use logarithm to solve for x?
  
• Consider the following equilibrium: `2H_2(g) + X_2(g) rightleftharpoons 2H_2X(g) + Delta`. What will an addition of `X_2` to this system cause to happen?
  
• If a car's tires will skid when the car experiences a centripetal acceleration greater than 0.60g, what is the maximum speed of the car in this roundabout?
  
• Explain briefly why the student has grouped the different bonds like this?
  
• Question #c82e6
  
• Question #52385
  
• Why are the molecules of hydrocarbons nonpolar?
  
• What term is used for the spreading out of the white light into different colors inside the prism?
  
• Question #886d1
  
• How do you rationalize the denominator and simplify `sqrt(10/7)`?
  
• `3/5` is `30%` of what number?
  
• Two opposite sides of a parallelogram each have a length of `9`. If one corner of the parallelogram has an angle of `(2 pi)/3` and the parallelogram's area is `18`, how long are the other two sides?
  
• How to find the number of terms n in `1+(-2)+(-5)+(-8)...., S"n"=-259`?
  
• Question #e8ab8
  
• A rectangular picture frame is 5.75 inches long and 3.5 inches wide. What is the area of the glass needed to fit inside the frame?
  
• What were the contributions of de Broglie, Hund, and Pauli to our understanding of the atom?
  
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