Best method of separating the particles
Sand and iron particales that are similar in size and color are mixed together in a beaker. What would be the best method of separating the particles
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0.10 M potassium chromate is slowly added to a solution containing 0.50 M AgNO3 and 0.50 M Ba(NO3)2. What is the Ag+ concentration when BaCrO4 just starts to precipitate? The Ksp for Ag2CrO4 and BaCrO4 are 1.1 x 10-12 and respectively.
The volume of a manifold used to transfer gases is calibrated using Boyle's Law. A 0.251-dm3 flask at pressure of 697 Torr is attached and after system pumpdown, the manifold is at 10.4 mTorr. The stopcock between the manifold and the flask is the
A 5.00 g chunk of potassium is dropped into 1.00 kg water at 24 deg C. What is the final temperature of the water after the preceding reaction occurs? Assume that all the heat is used to raise the temperature of the water
Determine the molar ratio of NaBH4 to benzophenone that you ACTUALLY used in the experiment. why do you think that it was necessary to use a greater molar ratio than the equations at the beginning indicate?
A sample of MgCl2 is known to be contaminated with NaCl. A 3.47-g portion of the sample is dissolved in water and treated with an excess of AgNO3 solution. The precipitate is filtered off, dried and weighed. The dried precipitate weighs 10.3 g. Ca
What are the industrial uses of iodine tetrachloride?
If the truck moves along a circular curve (with radius R) at constant speed U, calculate the maximum velocity that can be achieved before the liquids starts spilling out of the tank.
After dropping off supplies it flies to Lake B, which is 220 km at 30.0° west of north from Lake A. Graphically determine the distance and direction from Lake B to the base camp.
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A client has a habit of mouthbreathing involving teeth 13-23. The tissue is red, swollen with a loss of stippling in that area and the radiographs reveal
Is training for first responders (law enforcement) an adequate enough response to treat with cognitive impairments and other brain disorder
Question: What is the BEST indicator for diagnosis of implant failure? Question options: presence of mobility pain around the implant plaque
Home irrigation devices designed for targeting direct subgingival delivery have a positive effect on subgingival microorganisms at probing
A client presents with a lateral radiolucency on the mesial root of tooth 46. There is a 6 mm pocket in that location and bleeding on probing
The dental hygienist uses a handheld syringe to irrigate the posterior molars following a deep debridement of 6 mm pockets.
Question: A client is using a toothpaste with postassium nitrate. What is the role of the potassium nitrate in this toothpaste?