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What forms the object that is viewed by the eyepiece of a microscope?______
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Lisa M. Physics 101 Mechanics 1 month, 2 weeks ago
An object is viewed through a compound microscope and appears in focus when it is $5 \mathrm{~mm}$ away from the objective lens. When a sheet of transparent material $3 \mathrm{~mm}$ thick is placed between the objective and the microscope, the objective lens has to be moved $1 \mathrm{~mm}$ to bring to object back into the focus. The refraetive index of the transparent material is (a) $1.5$ (b) $1.6$ (c) $1.8$ (d) $2.0$ answer: Combustion of sucrose is given by the chemical equation Explanation: C 12 H 22 O 11 + 12 O 2 → 12 C O 2 + 11 H 2 O When 10.0 g of sucrose ( C 12 H 22 O 11 ) was burnt in a bomb calorimeter with a heat capacity of 7.50 kJ / °C, the increase in temperature inside the calorimeter was found to be 22.0 °C. Calculate the change in internal energy, Δ E , for this reaction per mole of sucrose. Express the change in internal energy in kilojoule per mole, upto three significant figures. what kind of materials we can get from ROCK and COAL? What is the main compound of salt? Why is light called the electromagnetic spectrum? Getting to know others as individuals is an important step in _____________ when pouring juice from your family you give one pin to each person. What scientific measurement are you making? a. Areab. Massc. Temperatured. Volume … An airplane passenger carries a 200 N suitcase up the stairs. What is the work done after covering a distance of 4.20 m.? What will happen to the molecules of water if you will set it on fire describe two ways in which each animal is well suited to live in its habitat?:) What are the three states of matter? Do you think that the Covid-19 pandemic was considered as one of the environmental impacts on humans and a way of the environment to get back on us fo … |