Las coordenadas polares de cierto punto son (r, 45,1°)y sus hs coordenadas cartesianas son (x, 8,14 m). Suponiendo que la parte
positiva del eje x coincide con el eje polar, determine x.
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On a day when the barometer reads 75.23 cm, a reaction vessel holds 250 ml of ideal gas at 20 celsius. an oil manometer ( ρ= 810 kg/m^3) reads the pressure in the vessel to be 41 cm of oil and below atmospheric pressure. what volume will the gas occupy under s.t.p.?

Apair of 10μf capacitors in a high-power laser are charged to 1.7 kv.a. what charge is stored in each capacitor? b. how much energy is stored in each capacitor?

Achlorine atom has 17 protons and 18 neutrons. what is its mass number? what is its atomic number?