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The mass of a copper atom is 1.06 x10^25 kg, and the density of copper is 8 920 kg/m3. Find the edge dimension of each cube
Consider the following reaction in a closed reaction flask. If 1.50 atm of gas A is allowed to react with 0.500 atm of gas B and the reaction goes to completion at constant temperature and volume
Why do oxyacids become stronger when more oxygens are added. (as in the case of HNO2 being much weaker than HNO3)
Why is it impossible to know both the position and velocity of an atom (i.e. electron). It states this in the Heisenberg uncertainty principle...but why
the density of octane is .703 g/mL the efficiency of burning both is identical will anyone actually save money using ethanol (cost around $0.83 per liter) compared to gas at $1.10 per liter
If iron(III) oxide has a crystal structure that is face-centered cubic in iron ions, how many oxide ions are in one unit cell of iron(III) oxide.
A pot is made out of iron (mass=11 kg and SH capacity of .4498 J/g degree celcius) and you have 1 liter of pure water, starting with H20 at exactly 15 celcius and wanting to get it to boik
A motorist drives along a straight road at a constant speed of 22.0 m/s. Just as she passes a parked motorcycle police officer, Find the speed of the officer as he overtakes the motorist
What is the molecular geometry of a molecule with 3 outer atoms and 2 lone pairs on the central atom
Kathy tests her new sports car by racing with Stan, an experienced racer. Both start from rest, Find the distance she travels before she catches him
Pure gold has a density of 19.32 g/cm3. How large would a piece of gold be if it had a mass of 318.97 g
A certain automobile manufacturer claims that its deluxe sports car will accelerate from rest to a speed of 44.5 m/s in 8.45 s. Determine the average acceleration of the car
the calculated H neutzn be higher, lower, or the same as the literature H neutzn? briefly explain this difference as a result of using only one graduated cylinder for the experiment
A particle moves along the x axis. Its position is given by the equation x = 2.1 + 2.9t ? 3.5t2with x in meters and t in seconds. Determine its position when it changes direction
If the chemistry of a plant is the same on a different planet as it is on earth, would it still be green in color if no light with wavelength less than 650 nm reaches the surface. Would they be this
A certain plant material is known to contain mainly trimyristin and tripalmitin in approximately equal amounts. Tripalmitin, the structure of which you should look up in a reference source,
A speedboat moving at 35.0 m/s approaches a no-wake buoy marker 100 m ahead. How long does it take the boat to reach the buoy
You throw a ball straight down from an apartment balcony to the ground below. Find the height of the balcony
Two slits spaced 0.410mm apart are placed a distance of 71.0cm from a screen. What is the distance between the second and third dark lines of the interference pattern on the screen
Which of the following are molecular solids and which are covalent solids. SO2, I2, P4, S8, H2O, SiO2
In an acidic solution of HCl. The products are H20, CO2, the Mn (II) ion, and potasium and chloride ions that do not take part in the reaction. A. How many grams of the products are produced by the
Neglect air resistance and muscle atrophy and assume the same upward normal reaction force as on earth: how far could she long jump on the moon
When an aqueous solution of an organic compound is shaken with an immiscible organic solvent, such as diethyl ether, the solute distributes itself between the two phases. When the two phases separat
Vectors A and B have scalar product -3.00 and their vector product has magnitude 5.00. What is the angle between these two vectors
Starting from rest, you move with a constant acceleration of 2.1 m/s2 for 13.0 s and then move with an acceleration of -2.1 m/s2 for another 13.0 s. How far do you go during the whole trip