Homework Answers Page 10672

• What is the charge on he helium atom? Explain your reasoning. (A helium atom has two electrons, two protons, and two neutrons.)

  $10.00

  Chemistry

  Waiting for answer

• What is the object of preposition in the following sentences?

  $10.00

  English

  Waiting for answer

• How does wavelength change as frequency increases?

  $10.00

  Chemistry

  Waiting for answer

• What is a combustion reaction?

  $10.00

  Chemistry

  Waiting for answer

• Which of the following are examples of chemical changes: melting ice by spreading salt on an icy sidewalk, striking a match, baking a cake, rubbing your hands together to get them warm, using a tea bag to make tea, and cooking a hot dog?

  $10.00

  Chemistry

  Waiting for answer

• A diver breathing heliox with an oxygen composition of 5.0% wants to adjust the total pressure so that ##P_(O_2)= "0.21 atm"##. What must the total pressure be?

  $10.00

  Chemistry

  Waiting for answer

• Where are proteins made in a cell?

  $10.00

  Biology

  Waiting for answer

• If a car can go from 0 to 60 mi/hr in 8.0 seconds, what would be its final speed after 5.0 seconds if its starting speed were 50 mi/hr?

  $10.00

  Physics

  Waiting for answer

• A cone has a surface area of ##600π cm^2## and a base area of ##225π cm^2##. Calculate: the apothem and volume of the cone?

  $10.00

  Geometry

  Waiting for answer

• How do you convert 96 feet to inches?

  $10.00

  Algebra

  Waiting for answer

• What is the equation for Dalton's law of partial pressure?

  $10.00

  Chemistry

  Waiting for answer

• What is the muscle that subdivides the ventral body cavity?

  $10.00

  Psychology

  Waiting for answer

• What is the period and frequency for ##sin(2pi t / 5)##?

  $10.00

  Geometry

  Waiting for answer

• What is a parabola?

  $10.00

  Physics

  Waiting for answer

• Calcium carbide reacts with water to produce acetylene gas. ##CaC_(2(s))+2H_2O_((l)) -> C_2H_(2(g)) + Ca(OH)_(2(g)## What volume of acetylene at 25°C and 1.01 atm is generated by the complete reaction of 2.49g of calcium carbide? What is the volume at STP...

  $10.00

  Chemistry

  Waiting for answer

• Which gland in the human body is considered the "master gland"?

  $10.00

  Psychology

  Waiting for answer

• Is square a rectangle? or rectangle is a square?

  $10.00

  Geometry

  Waiting for answer

• How did August Kekule's discovery about carbon change the science of chemistry?

  $10.00

  Chemistry

  Waiting for answer

• How do you solve ##sec^2x-2=0##?

  $10.00

  Geometry

  Waiting for answer

• What is glucose and why is it important to all life on earth?

  $10.00

  Biology

  Waiting for answer

• What do alveoli and villi have in common?

  $10.00

  Biology

  Waiting for answer

• What intermolecular forces are present in alcohol?

  $10.00

  Chemistry

  Waiting for answer

• Which of the three types of seismic waves causes the most damage during an earthquake? Why?

  $10.00

  Science

  Waiting for answer

• How do you prove ##(sinx+cosx)^4 = (1+2sinxcosx)^2##?

  $10.00

  Geometry

  Waiting for answer

• The pH of lemon juice at 298 K is found to be 2.32. What is the concentration of ##H_3O^+## ions in the solution?

  $10.00

  Chemistry

  Waiting for answer

• A solution contains 3.95g of CS2 and 2.43g CH3COCH3.vapor pressures at 35°C of pure CS2 and pure CH3COCH3 are 616 torr and 332 torr respectively.Assume ideal ,calculate vapor pressure of each component n the total vapor pressure?

  $10.00

  Chemistry

  Waiting for answer

• What part of the brain is largest in humans?

  $10.00

  Psychology

  Waiting for answer

• How are osmosis and diffusion alike?

  $10.00

  Biology

  Waiting for answer

• The [CoF6]3- ion is paramagnetic, while the [Co(CN)6]3- ion is diamagnetic. Explain this observation, including reference to ligand field strengths.?

  $10.00

  Chemistry

  Waiting for answer

• How many ways are there to choose a card from a deck of cards (52 cards in a deck) and roll a regular 6-sided number cube?

  $10.00

  Statistics

  Waiting for answer

• How does atmospheric pressure change in the troposphere?

  $10.00

  Chemistry

  Waiting for answer

• Is osmosis a form of active transport or passive transport?

  $10.00

  Biology

  Waiting for answer

• Define formula unit?

  $10.00

  Chemistry

  Waiting for answer

• How can I distinguish functional group region and fingerprint region in a infrared spectrum?

  $10.00

  Chemistry

  Waiting for answer

• How do you find the exact values of cos 2pi/5?

  $10.00

  Geometry

  Waiting for answer

• Name the class of biopolymers that contains a peptide bond?

  $10.00

  Chemistry

  Waiting for answer

• What is an example of allusion?

  $10.00

  English

  Waiting for answer

• What are all the greatest common factors of 36 and 90?

  $10.00

  Algebra

  Waiting for answer

• Which country put the first dog in space?

  $10.00

  Science

  Waiting for answer

• ##2 1/2## gallons is equal to how many quarts?

  $10.00

  Algebra

  Waiting for answer

• How does diffusion affect dynamic equilibrium?

  $10.00

  Chemistry

  Waiting for answer

• How do you find the slope and y intercept of ##y=100##?

  $10.00

  Algebra

  Waiting for answer

• Is the use of the semicolon and the word conversely correct in this sentence: "I find the proposed schedule to be very disagreeable, and; conversely, I am in agreement with Bob's comments in his e-mail."?

  $10.00

  English

  Waiting for answer

• The reaction between ammonia, oxygen and methane yield Hydrogen cyanide and the other product water. If the reaction vessel contains 11.5g,12.0g,10.5g of ammonia,oxygen and methane respectively,what is the maximum mass in gram of the cyanide that could ?

  $10.00

  Chemistry

  Waiting for answer

• Why does an oil-and-vinegar salad dressing have two separate layers?

  $10.00

  Chemistry

  Waiting for answer

• The ordered pairs (1,36), (2, 49), (3,64). (4, 81). and (5, 100) represent a function. What is a rule that represents this function?

  $10.00

  Algebra

  Waiting for answer

• Which is a better unit for expressing molar mass, amu or grams/mole?

  $10.00

  Chemistry

  Waiting for answer

• How do you find the domain and range of ##f(x) = 1/(2-e^x)##?

  $10.00

  Algebra

  Waiting for answer

• Which of King Lear's daughters truly loved him?

  $10.00

  Precalculus

  Waiting for answer

• A certain substance has a heat of vaporization of 46.34 kJ/mol. At what Kelvin temperature will the vapor pressure be 5.00 times higher than it was at 323 K? Use the Clausius-Clapeyron equation.

  $10.00

  Chemistry

  Waiting for answer