Determine distance ladder goes up wall if ladder makes angle
The 13.5m ladder is leaning against wall. Determine distance d ladder goes up wall if ladder makes the angle of 35*29' with horizontal.
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Determine the number of atoms are contained in one unit cell of metallic tungsten if it forms a face centered cubic unit cell?
Create the sketch of graph as you analyze function. Give the table of values which will justify graph according to asymptotes.
The medicinal thermometer commonly required in homes can be read to +/-0.1 degrees F, whereas those in the doctor's office may be accurate to +/- 0.1 degrees C.
Dioxane (C4H8O2) has an enthalpy of fusion of 145.8 J g-1 and its melting point temperature is 11.0 degrees Celsius. At 11.0degrees Celsius into liquid dioxane calculate how much heat is needed to transform the 142 g of solid dioxane, also at the
Someone investigating the properties of solutions having the carbonate ions organized a solution having 5.728g Na2CO3 in a flask of volume 250ml and some of the solution was transferred to a burette.
In an excited state an electron in a hydrogen atom can return to the ground state in two different ways: first, through the direct transition in which a photon of wavelength λ1 and second, through the intermediate excited state which is
The standard enthalpy of atomization of an element is the energy needed to convert 1 mole of an element in its most stable form at 25 centigrade to 1 mole of monatomic gas.
If in a "coffee cup" calorimeter the 0.050 mol of hydrochloric acid, HCl is mixed with the 0.050 mol of sodium hydroxide, NaOH, then the temperature of 50.0 g of the resulting solution increases from 25.0ºC to 31.5ºC.
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