A gas has a mass of 0305 g volume of 25 ml at 2 atm and 0
A gas has a mass of 0.305 g, volume of 25 ml at 2 ATM and 0 degrees Celsius. The gas consists of bromine and fluorine. What is the molecular weight and the chemical formula?
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The observed frequency of a train whistle is 475Hz as it approaches a stationary observer and is 410Hz as it recedes
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Define and explain a closed system and an open system and provides examples of both. Explain the inner and outer flows of a closed and open system. Define and explain the leakages and injections in an open system.
A gas has a mass of 0.305 g, volume of 25 ml at 2 ATM and 0 degrees Celsius. The gas consists of bromine and fluorine. What is the molecular weight and the chemical formula
Briefly describe the dilemma. Briefly describe the dilemma.
A triangular shaped swale is to retain the runoff from a catchment with a design runoff rate of 0.01 m3/sec. The longitudinal slope of the swale is to be 1.5% with side slopes of 5:1 (H:V).
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Calcium hydroxide reacts with carbon dioxide to form calcium carbonate. The reaction for this process is: Ca(OH)2(s) + CO2(g) ? CaCO3(s) + H2O(g), ?H = -69.1 kJ What is the enthalpy change if 380 g of calcium carbonate is formed
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