Draw a lewis structure for given ion
Cryolite (Na3AlF6) is an indispensable component in the electrochemical manufacture of aluminum. Draw a lewis structure for AlF6 3- ion. include lone pair electrons. you do not need to include formal charges in your structure.
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A setup similar to the one shown in the figure below is often used in hospitals to support and apply a horizontal traction force to an injured leg. (Let m = 6.05 kg and ? = 81.0°.) (a) Determine the force of tension in the rope supporting the
The mass of ethanol needed to fill the tube is found to be 11.40 . The density of ethanol is 0.789. Calculate the inner diameter of the tube in centimeters.
An uncharged nonconductive hollow sphere of radius16.0cm surrounds a17.0µC charge located at the origin of a cartesian coordinate system. A drill with a radius of 1.00 mm is aligned along thezaxis, and a hole is drilled in the sphere. Calcul
A system consists of 0.697 kg of water at 80 degrees C. A paddle wheel does 42 kJ of work stirring the water. The heat energy lost to the environment is 15 kJ. What is the final temperature of the system in degrees C?
Draw a lewis structure for AlF6 3- ion. include lone pair electrons. you do not need to include formal charges in your structure.
A gas at a temperature of 382 K, a pressure of 197 kPa and occupying a fixed volume of 0.38 m3, is heated so that the temperature of the gas rises by 34 K. What is the pressure of the heated gas? Give your answer in pascals.
A gas thermometer registers a pressure of 2.79 kPa when measuring the boiling point of water. What pressure in pascals would register when measuring the triple point of water?
If a molecule of NO diffuses a distance of 0.778 m from a point source, calculate the distance (m) that a molecule of He would diffuse under the same conditions for the same period of time.
A 575 ohms resistor and a 260mH inductor are connected in series with an ac generator with an rms voltage of 15.0V and a frequency of 65.0Hz. What is the rms current in this circuit?
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After reading about the history of evolutionary psychology in chapter 10 of Hergenhahn's an introduction to the history of psychology" by Henley
Identify why the following statement would be considered biased: "Researchers administered a 50-question survey to the two groups
Anais has tested the effect of whether watching violent cartoons at the age of 10 has led to increases in fear of violence later in life.
Question: How do family systems and social determinants influence child and adolescent behavior?
You are required to create a detailed plan for a six-week psycho-educational group that focuses on skill development for individuals affected by addiction
Discuss the major challenges and developmental issues that are specific to children in the middle years (ages 6-11).
Question: What is the purpose of teaching routines at the beginning of the school year?