Empirical formula of the product
If 0.176 moles of Mg have combined with 0.220 moles of O, what is the empirical formula of the product?
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The stomach to give carbon dioxide, water and a soluble ionic salt. write a balanced equation for the reaction involving hydrotalcite and the hydrochloric acid.
A solution of ethanol (C2H5OH) in water is prepared by dissolving 65.7 mL of ethanol (density = 0.79 g/cm3) in enough water to make 250.0 mL of solution. What is the molarity of the ethanol in this solution?
Calculate the temperature of the gas in the tank when the pressure has reached 10.34 bar and if the valve does not fucntion properly and the pressure in the tank reaches 69 bar. for simplicity, consider the air to be an ideal gas with Cp=(7/2)R .
Density measurements can be used to analyze mixtures. For example, the density of solid sand (without air spaces) is about 2.84g/mL. The density of gold is 19.3 g/mL. If a 1.00kg sample of sand containing some gold has a density of 3.10g/mL(withou
Use Microsoft Excel to compare costs from at least three different vendors and reasons to accept specific bids. Present your diagram of the mapping of the Local Area Network throughout the building using any medium that best enhances the prese
A 200-kg, 5-m-wide rectangular gate shown in the figure is hinged at B and leans against the floor at A making an angle of 45 with the horizontal.
The density of gold is 19.31 g/cm3, and the density of platinum is 21.43 g/cm3. If equal masses of gold and platinum are transferred to equal volumes of water in seperate graduated cylinders, which graduated cylinder would have the greatest volume
Develop a system to learn Morse Code. The system will have one input and 26 outputs (one per letter). The user sends in Morse Code pulses on the input, and as characters are completed the appropriate letter is lit up momentarily. You'll nee
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