Suppose you made an alloy that was 20% potassium and 80 mol % calcium. How full...

Suppose you made an alloy that was 20% potassium and 80 mol % calcium. How full would you expect the 4s valence band to be?

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queen_honey_blossom answered 3 years ago

Suppose 8.00 g of calcium chloride are mixed with 6.00 g potassium hydroxide. What is in...

Suppose 8.00 g of calcium chloride are mixed with 6.00 g potassium hydroxide. What is in the container after the reaction? The answer is below but please explain how to solve this problem. Answer: no potassium hydroxide left; 2.86 g calcium chloride left; 3.96 g calcium hydroxide and 7.98 g potassium chloride

. A 20 mm diameter sphere made of aluminum alloy 2024 initially at a uniform temperature...

. A 20 mm diameter sphere made of aluminum alloy 2024 initially at a uniform temperature of 500 ºC is suddenly immersed in a saturated water bath maintained at atmospheric pressure. The surface of the sphere has an emissivity or 0.25. Determine. a.) the total heat transfer coefficient for this initial condition, and b.) what fraction of the total coefficient is contributed by radiation. (~180 W/m2 -K, ~ 7%)

Suppose a ternary alloy containing 40 atomic % A, 20 atomic % B, 40 atomic %...

Suppose a ternary alloy containing 40 atomic % A, 20 atomic % B, 40 atomic % C solidifies through a ternary eutectic reaction to a mixture of α, β and γ with the following compositions: 80 atomic % A, 5 atomic % B, 15 atomic % C; 70 atomic % B, 10 atomic % A, 20 atomic % C; and 20 atomic % B, 10 atomic % A, 70 atomic % C. What will be the mole fractions of α,...

The molecular weight of anhydrous calcium chloride is 110.99 grams/mol. How many grams do you need...

The molecular weight of anhydrous calcium chloride is 110.99 grams/mol. How many grams do you need for 750 ml of 250uM calcium chloride? 2. Ethanol is supplied in a 90% solution. You need 275 mL of 75% Ethanol for your experiment. How would you make this solution? 3.You have 12 mL of cells you need to treat with Hydrogen Peroxide (H2O2), such that the final concentration of H2O2 is 50 uM. How much of a 30 mM stock solution of...

You are asked to prepare a solution that contains potassium chloride (KCl) at 20 mEq/L. How...

You are asked to prepare a solution that contains potassium chloride (KCl) at 20 mEq/L. How much of a 2 mEq/ml solution of KCl should be added to a 500 ml of fluids to comply with this order? a. 5 ml b. 10 ml c. 20 ml d. 30 ml A 10 kg dog needs nitroprusside (50 mg/2 ml) administered as a CRI at 3 mcg/kg/min given at 5 ml/hr. A total volume of 50 ml will be prepared. How...

The concentration of Calcium ion in sea water is 0.0103 mol/kg. How many liters of seawater...

The concentration of Calcium ion in sea water is 0.0103 mol/kg. How many liters of seawater would you need to drink in order to have an intake of 1.03 grams of Ca (the RDA for adults is between 1-1.5 g/day)? The density of sea water is 1.020 g/mL.

Suppose x has a distribution with a mean of 80 and a standard deviation of 20....

Suppose x has a distribution with a mean of 80 and a standard deviation of 20. Random samples of size n = 64 are drawn. (a) Describe the x distribution and compute the mean and standard deviation of the distribution. x has distribution with mean μx = and standard deviation σx = . (b) Find the z value corresponding to x = 75. z = (c) Find P(x < 75). (Round your answer to four decimal places.) P(x < 75)...

A 500mL iv bag contains 19mEq of Potassium Chloride (mol wt 75). How many mg of...

A 500mL iv bag contains 19mEq of Potassium Chloride (mol wt 75). How many mg of potassium chloride are present in the iv bag?

how quickly do oral calcium supplements affect calcium levels? how would you treat hypercalcemia?

Suppose you add a solution of calcium hydroxide to a solution of sodium carbonate and a...

Suppose you add a solution of calcium hydroxide to a solution of sodium carbonate and a precipitate forms. You measure the total amount of the precipitate (in g) as a function of time. At time 0, 20.0 s, 40.0 s and 60.0 s you get a cumulative weight of 0.00 g, 4.82 g, 6.33 g and 8.49 g of the precipitate, respectively. What is the average rate of reaction between 40 and 60 seconds in mol/s? Enter a numerical value...

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