thank you very much.good luck.sure this will help you .good luck
Suppose that 27 g of each of the following substances is initially at 25.0 °C. What...
Suppose that the microwave radiation has a wavelength of 10.8 cm. How many photons are required to heat 205 mL of coffee from 25.0 °C to 62.0°C? Assume that the coffee has the same density, 0.997 g/mL, and specific heat capacity, 4.184 J/( 8K), as water over this temperature range. Express the number of photons numerically. View Available Hint(s) o A¢ ROO? photons Suppose that 23 g of each of the following substances is initially at 29.0°C. What is the...
Suppose that 28 g of each substance is initially at 26.0 ∘C. Part A What is the final temperature of gold upon absorbing 2.40 kJ of heat? Express your answer using two significant figures. Part B What is the final temperature of silver upon absorbing 2.40 kJ of heat? Express your answer using two significant figures. Part C What is the final temperature of aluminum upon absorbing 2.40 kJ of heat? Express your answer using two significant figures. Part D...
Suppose that 23 g of each of the following substances is initially at 26.0 ∘C. What is the final temperature of each substance upon absorbing 2.30 kJ of heat? a.) gold t=________ b.) silver t =_______ c) aluminum t=_______ d) water _________
How much heat is required to warm 1.30 L of water from 28.0°C to 100.0°C? (Assume a density of 1.0 g/mL for the water.) Express your answer in joules to two significant figures. View Available Hint(s) ADD MO O ? Submit Previous Answers Request Answer Chapter 7 Exercise 7.49 - Enhanced - with Feedback and Hints MISSED THIS? Read Section 7.3 (Pages 267-272); Watch KCV 7.3, IWE 7.2. Part A Suppose that 25 g of each of the following substances...
gold Express your answer using two significant figures. Review 1 Constants l Periodic Table Suppose that 28 g of each of the following substances is initially at 27.0 °C. What is the final temperature of each substance upon absorbing 2.40 kJ of heat? Submit Part B silver Express your answer using two significant figures.
aluminum Express your answer to two significant figures. View Available Hint(s) I ALO * O a ? Te = Submit Part D water Express your answer to two significant figures. View Available Hint(s) 0 ADD O2 ? T: - Submit Exercise 7.49 - Enhanced - with Feedback and Hints A Revi MISSED THIS? Read Section 7.3 (Pages 267 - 272); Watch KCV 7.3, IWE 7.2. aluminum Suppose that 25 g of each of the following substances is initially at 29.0°C....
A 31.7 g wafer of pure gold initially at 69.9 °C is submerged into 84.0 g of water at 27.1 °C in an insulated container. Part A What is the final temperature of both substances at thermal equilibrium? Express your answer using three significant figures. IVO AED ROO? Submit Request Answ
Along horizontal wire carries 22.0 A of current due north. Part A What is the net magnetic field 25.0 cm due west of the wire if the Earth's field there points downward, 44 below the horizontal, and has magnitude 5.0 x 10 "T? Express your answer using two significant figures. VO AXO O ? Submit Previous Answers Request Answer * Incorrect; Try Again; 4 attempts remaining Part B Express your answer using two significant figures. IVO AX° O 2 ?...
Afisherman's scale stretches 3.5 cm when a 3.0 kg fish hangs from it. Part A What is the spring stiffness constant? Express your answer using two significant figures. V AE R O ? * = N/m Submit Request Answer Part B What will be the amplitude and frequency of vibration if the fish is pulled down 2.6 cm more and released so that it vibrates up and down? Express your answer using two significant figures. IVO AED O 2 ?...
calculate the [H3O+] of each aqueous solution with the following [OH-]: Part C cleanser, 3.0x10-5 M. Express your answer using two significant figures. | ΑΣΦ 6 ? [H30*) = M Submit Request Answer Part lemon juice, 3.5x10-13 M. Express your answer using two significant figures. IVO AXO ? [H,0')- M Submit Request Answer