Numerade

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Acetone (C3H6O) has an enthalpy of vaporization of 31.0 kJ/mol and a density of 0.784 g/mL at 25°C. How much heat is required to vaporize 53.0 mL of acetone at 25°C?

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(k) In economic view to select the materials using for manufacture the handle cover. The material cost of the plastic material A and the plastic material B is $5 per kgs and $ 2 per kgs. The handle cover being fabricated weighs 4g. Assume the machinery costs are the same for each material and that operator labour costs are $8/hr. Fabrication yield rate (Fully use for making a part) Fabrication cycle time / machine Number parts formed / cycle Number machines operated by single operator PVC Silicone 80% 90% 30s 20s 5 4 2 4 Table Q1b Mechanical and Physical Properties (i) Find the unit material costs (correcting for yield rate) which fully use for making a part in terms of dollar per kg. (2 marks) (ii) Find the net material costs per part in terms of dollar per part. (2 marks) (iii) Find the net labour costs in terms of dollar per part. (2 marks) (iv) Find the total cost (materials + labour cost) in terms of dollar per part. (2 marks) (v) According to the result from part (d), what is your decision of selecting the materials for making a part and briefly explain why. (2 marks)

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The main task of a chiropractors to perform which of the following

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When the Federal Reserve lowers the interest rate that it charges for loans to US banks, it is conducting the open market operations the discount rate policy quantitative casing the reserve requirements policy

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This is an estimate of the number of species of bacteria evident on the handprint of the child analyzed in Laboratory Exercise 2 Activity 2. Group of answer choices A five or six species B one or two species C three or four species D greater than seven species

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Question 1 If the annual inflation rate is 5%, which of the following statements is TRUE. The price of gasoline has increased by 5%. Your consumption expenditure is 5% higher than previous year. Your consumption expenditure in the near future will rise by 5%. None of them.

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Which ethical principle is most closely related to environmental justice? Informed consent Beneficience Confidentiality Distributive justice

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Consider the undamped system with $F(t) = F_0 \cos(\omega t)$. The initial conditions such that the response of the system oscillates at only one frequency $\omega$ are: Select one: a. $x_0 = 0$ and $v_0 = 0$ b. $x_0 = 0$ and $v_0 = f_0/(\omega_n^2 - \omega^2)$ c. $v_0 = 0$ and $x_0 = f_0/(\omega_n^2 - \omega^2)$ d. $x_0 = 0$ and $v_0 = f_0/(\omega^2 - \omega_n^2)$

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An idea being discussed right now, and related directly to the impact of the Covid-19 and downturn in the economy, is a change to the tax law. Specifically, the change being discussed is to make travel and entertainment expenses 100\% deductible (recall that we've made the assumption that those expenses are only 50\% deductible). Why would this change be beneficial in these times? Make a (brief) argument favoring the change to 100\% deductibility, be sure to explain you reasoning.

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What are the five primary types of leases, and what are their characteristics?

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