Calculate the atomic mass of y
The atomic mass of element X is 33.42 amu. A 21.83-g sample of X combines with 80.32 g of another element Y to form a compound XY. Calculate the atomic mass of Y.
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A certain primary cell has a terminal voltage of 1.24 volts when supplying a current of 2A. Immediately after the load was disconnected the terminal voltage increase to 1.28 volts what is the internal resistance of the cell.
A piece of lead is placed into a graduated cylinder. The level of the liquid rises from 235 to 305 mL. What is the mass in grams of the lead if the density of lead is 11.3g/cm3?
A truck is traveling at v0 = 60mph when the driver applies the brakes to come to a stop. The deceleration of the truck is constant and the truck comes to a complete stop after braking for a distance of 350ft.
What is the simplest formula for Chalcocite if a sample of this ore contains 8.274 g copper and 2.088 g sulfur?
Write net Brønsted equations that show the acidic or basic nature of the following substances, given the pH. For polyprotic acids, only show one proton transfer. Remember that spectator ions are not included.
Consider the nitryl cation,NO2+. Write all possible Lewis structures for this ion. Draw the molecule by placing atoms on the grid and connecting them with bonds.
A sealed balloon is filled with 1.00 L of helium at 23 degrees celsius and 1.00 atm. The baloon rises to a point in the atmosphere where the pressure is 220 torr and the temperature is -31 degrees celsius. what is the change in volume of the ballo
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With in-text citations and references, explain the key components necessary for the success of public health infrastructure.
A healthcare system with multiple facilities is on their journey to magnet status, the system leadership is exploring options to involve staff
Choose 3 different vulnerable populations. What factors create vulnerabilities for different populations?
As well as follow any necessary documentations required by your company. This can possibly cause the mother to gain a dislike for the behavior analyst.
Rewrite: The CAS is a 25-item tool designed to assess the level of clinical anxiety. It produces scores between 0 and 100, which are treated as valid
A research project conducted by Geisinger Health System looked at the interaction between patients and their providers and pharmacists with medication
SmartCup also detects volume and will give information relevant to percentage of daily consumption. Other metrics the cup is able to test include whether