How many moles of h are present in 37 cm3
If 3.93 g of sodium borohydride contains 2.5× 1023 H atoms, how many moles of H are present in 37 cm3 of sodium borohydride (of density 1.074 g/cm3)?
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An evacuated (empty) 276 mL glass bulb weighs 129.6375 g. Filled with an unknown gas, the bulb weighs 130.0318 g. Calculate the gas density in g/L, and express it with an appropriate number of significant figures
A Pitot-static probe connected to a water manometer is used to measure the velocity of air. If the de?ection (thevertical distance between the ?uid levels in the two arms) is 7.3 cm, determine the air velocity. Take the density of air to be 1.25 kg/m
What is the molarity of each ion in a solution prepared by dissolving 0.550 g of Na2SO4, 1.192 g of Na3PO4, and 0.228 g of Li2SO4 in water and diluting to a volume of 100.00mL?
What is the density of a sulfuric acid solution if 10.00 mL has a mass of 15.04g?
A bullet of mass 0.06 kg is fired horizontally into a wooden block of mass 0.10 kg. The wooden block is suspended from the ceiling by a long string as shown in the diagram.
The balloon rises to a point in the atmosphere where the pressure is 210. torr and the temperature is -32°C. What is the change in volume of the balloon as it ascends from 1.00 atm to a pressure of 210. torr?
The solubility of the K3[Fe(C2O4)3].3H2O product at 00C is 4.7 g per 100 g water. Given this, calculate the maximum percent yield of product for your own reactant quantities.
The data in the table below were obtained during a colorimetric determination of glucose in blood serum.
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A 2016 survey of undergraduate students considered this further and found that compared with students that did not use cannabis at least once
Problem: An infant with known congenital heart disease presents with weight loss, tachypnea, and hepatomegaly.
For a research topic on evaluating the access to health services for commercial sex workers as a mixed method approach provide the methodology
The healthcare provider ordered a urine culture for a client. Which item would a nurse need for a urine specimen collection from an existing indwelling
The nurse practitioner (NP) evaluates a client with complaints of a burning sensation in the chest that often occurs after meals and is exacerbated
I am writing a dissertation topic on the utility of community based interventions in post exposure support to survivors of IPV in uMzingwane district
A 12-month-old child presents with fever of 100.9, lethargy, vomiting and tachypnea. The history is significant for recent hand-foot-mouth disease infection.