What is the empirical formula of pyrolusite
The mineral pyrolusite is a compound of 55Mn and 16O. If 63% of the mass of pyrolusite is due to manganese, what is the empirical formula of pyrolusite?
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A 350. mL solution of 0.150 M HNO3(aq) is mixed with a solution of 230. mL of 0.240 M HCl(aq). How many moles of H+(aq) are present in the final solution?
A typical gas cylinder, contains 1.55 cubic feet of gas compressed at 2,200 pounds per square inch. what volume would the gas occupy at normal atmospheric pressure and the same temperature?
How might a novice confuse the advance directives within the Patient Self-Determination Act when distinguishing information as administrative or clinical?
A 218-kg crate is pushed horizontally with a force of 702 N. If the coefficient of friction is 0.20, calculate the acceleration of the crate.
A parallel-plate air-filled capacitor having area 48 cm2 and plate spacing 3.0 mm is charged to a potential difference of 750 V. Find the following values.
What does this quote symbolize? "A true tale of mathematics mysticism and the question to understand the world"
A 1.17 g sample of an alkane hydrocarbon gas occupies a volume of 674 mL at 28°C and 741 mmHg. Alkanes are known to have the general formula CnH2n+2.
A parallel-plate capacitor has an area of 10.8 cm 2 . The plates are separated by 0.9 mm and are connected across a 60 V battery. Find the magnitude of the charge on each plate.
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