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A 65 gram block of an unknown metal at 100.0oC was dropped into an insulated flask containing approximately 30.0 grams of ice and 25.0 grams of water at 0oC. After the system had reached a steady temperature it was determined that 8.4 grams of ice had melted. What is the specific heat of the metal? The heat of fusion of ice is equal to 333 J/g.
milk of magnesia is an over the counter pharmaceutical preparation used as a laxative and for heartburn. it can be
portion of that solution is diluted by adding 165 mL of water. What is the final concentration? Assume the volumes are additive.
Determine mass of water is contained in 2.8 Litres of the vapor in this solution at 55 degree celcius temperature express your answer in grams
How many double bonds are present in the "best" resonance structure of the phosphate ion?
A balloon was filled by mixing 10.0g of Ne(g) and 10.0g of O2(g). What is the mole fraction of oxygen in the balloon.If the total pressure in the balloon is 760 Torr, what is the partial pressure of the oxygen
Cu+(aq) + 2 Cl ?(aq) reverse reaction arrow CuCl2?(aq) K = 8.7 104. Calculate the solubility of copper(I) chloride in 0.36 M NaCl.
Suppose that the atomic mass unit (amu) had been defined as one-quarter of the average mass of an atom of carbon instead of one-twelfth of the mass of an atom of carbon-12. What would the average atomic mass of aluminum be on this new scale
in a test on the vaporization of water into air in a wetted-wall column the following data were obtained tube diameter
In an experiment that is performed you use 1-hexene and is reacted with H2SO4 with water as the solvent. The product formed is 2-hexanol, is this an example of 1,4 addition, or proceeds via a carbanion,
Carbon's 2s and 2p orbitals are hybridized, resulting in three hybrid sp2 orbitals and one (non-hybridized) pz orbital. Each new orbital has one lone electron assigned to it.
two molecular ions of about equal intensity at m/z = 180 and 182; IR: 1740 cm-1; 1H NMR: ? 1.30 (3H, t J = 7 Hz); ? 1.80 (3H, d, J = 7 Hz); ? 4.23 (2H, q, J = 7 Hz); ? 4.37 (1H, q, J = 7 Hz).
what happens when the calorimeter cup has several milliliters of water in it when you added in the HCl
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