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Mg +2HCl-> MgCl2 + H2what volume of Hydrogen at STP is produced from the reaction of 50.0g and the equivalent of 75 g of HCl? Also, How much of the excess reagent is left over?
As a result of new automated equipment, it is anticipated that fixed costs will increase by $125,000 and variable costs will be 50% of the selling price. The new break-even point in units is:
During an action potential, activation of voltage-gated sodium and potassium channels occurs at different rates. What is the effect of this difference on ion flow across an axon membrane?
Explain how variables such as social interactions, cognitive processes, environmental variables, cultural context, and biological factors shape social psychology and how it is practiced.
Why is an action potential conducted in only one direction, from an axon hillock to an axon terminal?
for the remaining 30% you choose randomly among the 5 answers. What percent of the answers should you expect to get right? learning about conditional probability and independence
If the auditor obtains sufficient competent evidence on the client's accounts receivable balance by alternative procedures because it is impractical to confirm accounts receivable, the auditor's opinion should be unqualified and could be expected ..
Large university health system, 55 of 120 randomly selected physicians were women. Find the critical values to two decimal places if alpha=0.05.
What would happen to a patient's cellular EK+ if a nurse accidentally administered a potassium solution that caused the patient's extracellular potassium ion concentration to rise to 6.01 mM? Assume a body temperature of 37 °C.
A 350 mL air sample collected at 35 degrees C has a pressure of 550. mmHg. What pressure will the air exert if it is allowed to expand to 425 mL at 57 degrees C?
In a graded potential, what is the effect of cytoplasmic resistance and current leak?
The Ksp for PbBr2 = 8.9 x 10^-6. Calculate the molar solubility of this compound on a .20M Pb(NO3)2.
Determine what will be the major product expected from chronological treatment of propylbenzene with 1) KMnO 4 , 2) 3)H 3 O + , Cl 2 and FeCl 3 , and iv) Br 2 and FeBr 3 ?
Calculate how the amount of AgCl(s )will change when the equilibrium is disturbed by Adding AgNO 3
A quantity of gas under a pressure of 1.78 atm has a volume of 550 cm square. the pressure is increased 2.50atm while the pressure remains constant what is the new volume.
Calculate w (in kJ) when 376 g iron (III) oxide (MM = 159.7 g/mol) reacts with excess carbon to produce carbon dioxide gas at 335 K:
Compute the equilibrium partial pressures of Carbon dioxide and CO gases. If equilibrium constant Kp for this reaction =1.52,
H2 and Cl2 combine to form HCl. In a gas phase equilibrium mixture of H2, Cl2, and HCl at 300 K, [HCl] = 0.0036 mol/L and [Cl2] = 0.00485 mol/L.
Determine the mass percent of CH3COOH in this solution if density of vinegar is 1.01 g/mL? Also calculate mole fraction of acetic acid in this solution and molality of this solution?
For each reaction, calculate the mass (in grams) of the product formed when 10.1g of the underlined reactant completely reacts. Assume that there is more than enough of the other reactant.
Calculate the resulting pH if 455 mL of 0.200 M HCl is mixed with 315 mL of 0.0850 M Ca(OH)2.
How many calories of heat are necessary to raise the temperature of 350 ml of water from 1.00oC to 5.00oC.
If 6.46 L of gaseous ethanol reacts with 16.1 L O2, what is the maximum volume of gaseous carbon dioxde produced.
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