Answers created by Josh Tran

• Back to user's profile
• The length of the diagonal of a square is 22. What is the length of each side?
  
• How do you simplify #sqrt(49)#?
  
• How does the line emission spectrum of an element relate to these flame tests?
  
• When is a rate of reaction negative?
  
• Are there any ethical concerns in bacterial transformation?
  
• What do you call the ability of an atom to capture an electron?
  
• 78 is 92% of what?
  
• When a red filtered light is shown on a red flower, why does the leaves look black?
  
• What is the period and amplitude for #2tan3(x-pi/6)#?
  
• How do Van der Waals forces arise?
  
• Do adjectives modify nouns, pronouns, and often adjectives?
  
• How do you evaluate #sin(pi/3) #?
  
• Which use of pacing creates the most urgent mood?
  
• How do you find the slope of #(6, -2), (5, -4)#?
  
• How do you simplify # (x^2 + 2x + 3) + (x^2 - 5)#?
  
• How do you solve #16.33= m + 9.2#?
  
• Annelids are considered closely related to mollusks. How are they different?
  
• The types of bonding present in copper wire and nacl respectively are?
  
• The linear momentum of a particle of mass 1kg and kinetic energy 2J?
  
• What is the product of 3a(8a-6b)?
  
• How do you translate "four subtracted from three times a number B" into a mathematical expression?
  
• Does 9p-3t-5p-2t=4p-t ?
  
• A Titan rocket is 80 feet high. For his science project, Joe will build a scale model of the rocket. How tall will his model be if he uses the scale 1 inch = 5 feet?
  
• Oxygen gas is 21 % of Earth’s atmosphere. If the atmospheric pressure is 439mmHg, what is the partial pressure of oxygen at that location?
  
• Find the total thickness of two pieces of wood that a carpenter glued together if one is 5/16 in and the other is 7/8 inch thick?
  
• If an elephant were chasing you, its enormous mass would be very threatening. But if you zigzagged, the elephant's mass would be to your advantage. Why?
  
• How can I draw an orbital diagram for chloride ion?
  
• If f(x)=3x^2 then f(-2)=?
  
• An aqueous solution is made by dissolving 25.0 grams of sodium sulfide in 317 grams of water. The molality of sodium sulfide in the solution is m?
  
• Which personal pronoun agrees with the antecedent in this sentence?
  
• Which is true when comparing one mole of Cl2 (gas) to one mole of Ne (gas) at STP? a. Chlorine has a greater mass. b. Chlorine has a greater volume. c. Neon has a greater mass. d. Neon has a greater volume
  
• A container consist up 25% oxygen 25% hydrogen and 50% nitrogen. The total pressure of the container is 60.0 atm. what is the partial Pressure of hydrogen in the container?
  
• Which property of matter is same in liquid and gas state but different in solid state?
  
• How do you factor #(x^ { 2} - 4) + ( 10x + 3)#?
  
• The correct method of finding the ph of a solution is to & why ?
  
• If 9.8ml of sulphuric acid is dissolved in 1dm3 of solution then what is the molarity of the solution?
  
• Given: Mg + 2 HCl --> MgCl2 + H2 How many moles of HCl are needed to completely react with 7.0 moles of Mg?
  
• Why should all solid be dissolved before transfer of the solution from the 250mL beaker to the volumetric flask?
  
• How do lipids differ from other macromolecules?
  
• What is heat in terms of molecular behavior?
  
• What's the new pressure of a mixture of #CO# and #H_2#after the volume is halved?
  
• Why is the boiling point of NH3 is greater than that of PH3??
  
• What are endothermic vertebrates?
  
• Why is graphite a good conductor of electricity but not diamond?
  
• How do you find the slope intercept equation with slope -8 and y intercept (0,9)?
  
• Tim and Todd are twins. At birth, Todd weighed 1#1/6# pounds more than Tim’s weight. If Todd weighed 7#2/3# pounds at birth, how much did Tim weigh at birth?
  
• How do lipids relate to the food pyramid?
  
• How would you simplify #(sqrt 5+4)(sqrt 5-1)#?
  
• How do you solve #2x=7x+10#?
  
• What is the coefficient in this algebraic expression? 7d + 2
  
• Which is a mixture? potassium metal chlorine gas potassium chloride potassium and chlorine
  
• Three elements, X, Y and Z, are in the same period of the Periodic Table. The oxide of X is amphoteric, the oxide of Y is basic and the oxide of Z is acidic. Which of the following shows the elements arranged in order of increasing atomic number?
  
• How do you solve #x(x^2 + 16) = 0#?
  
• How is gas pressure changed?
  
• How do you simplify the expression # -abs(-7)#?
  
• What is #2 7/8 -: 5/6#?
  
• How do you solve #8^(x-2) = 32^(x+10)#?
  
• How do you find exact value of #sin (pi/ 6)#?
  
• What is the square root of the difference between half a number and two thirds of a different number?