
At 700 K, the rate constant for the following reaction is 6.2 x 10-4 min-1 нсен,...
3. A reaction has a rate constant of 3.15 x 10 -4 L mol -1 min -1 at 25 °C, and a rate constant of 3.72 x 10 -3 L mol -1 min -1 at 40 °C. What is the activation energy for the reaction? Give your answer to 3 significant figures.
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Submit #4 Ch.9 810 (90 min.) Help Save & Exit On January 1, Parson Freight Company issues 70%, 10-year bonds with a par value of $4,000,000. The bonds pay interest semiannually. The market rate of interest is 8.0% and the bond selling price was $3,728.197. The bond issuance should be recorded as: Multiple Choice O Debit Cash $3,728.197. debit interest Expense $271.803, credit Bonds Payable $4.000.000 O Debit Cash $3,728,197, credit Bonds Payable $3728,197 o o Debit Cash...
What is the [OH-] for a solution at 25°C that has [H30+1 = 1.15 x 10-4 M? Multiple Choice О 0.869 10-10 M O 1.26 10-10 M None of these choices are correct. О 1.26 x 10-5 M 0.869 x 10-15 M
4. The rate constant for the reaction rate constant for the reaction 3A 4B is 2.50 x 10-3 L mol-min". How long will take the concentration of A to drop from 0.75 M to 0.50 M? (6 points)
1) The rate constant for the reaction 2 N,Os(9) = 4 NO (9) + O2(9) is reported in units of sl. What is the overall order of the reaction? 2) The rate law for a reaction was reported as rate=k[A] [B][C] with molar concentrations in moles per cubic decimetre and time in seconds. What are the units of k? 3) The rate constant for the pseudo first-order acid- catalysed hydrolysis of glucose is 4.07' 10-s. Calculate the half-life for the...
find v belt drive
design power
select belt type
determine shive size (belt speed 4000 ft/min)
find shive size from power rating figure
find rated power
find estimated centre distance
find belt length (by selecting standard belt length)
calculate actual centre distance
find contact angle for small shieve
determine correct factors
calculate correct power per belt
no. of belt needed
V-Belt Designing Sample Problem . Given: A 4 cylinder diesel engine runs at 80 hp, 1800 rpm, to drive a...