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A student repeatedly measured the length of a simple pendulum and recorded the results in centimetre as: 36.9, 36.7, 36.8 and 36.6. What is the precision index of this measurement in cm?
When hairless hamsters are mated with normal haired hamsters, about one-half the offspring are hairless and one-half are normal. when hairless hamsters are crossed with each other, the ratio of normal
How many grams of glucose are needed to make 500 ml of 0.2M solution?
What are the grams of fat in one avocado if it has 405 calories, 13 grams of carbohydrate and 5 grams of protein.
How does the laws of thermodynamics apply to a semiconductor-based solar cell's production of electricity
choose an biogeochemical cycle and list the key processes involved in cycling the element.
Identify the risks and benefits of extracting or using one type of nonrenewable and one type of renewable energy resource from a coral reef ecosystem,or in areas near a coral reef ecosystem
Describe the properties of carbon that give this atom the unparalleled ability to form large, complex and diverse molecules. (Use text reading and diagrams to assist you in developing a response.)&nbs
The molecular mass of glucose (C6H12O6) is 180 g/mol. Which of the following procedures should you carry out to make a 0.5 M solution of glucose?
What is the relationship among ribosomes, endoplasmic reticulum, golgi apparatus and the plasma membrane?
When more solute particles are added to one side of a container with a selectively permeable membrane, which way will the water move?
Why are there fewer non-seed vascular plants on Earth today then there were 300 million years ago?
A sample of an element has a volume of 80 mL and a density of 1.63 g/mL. What is the mass in grams of the sample (round to the nearest tenth)?
What do the Roman numerals to each cranial nerve represent
How does the union of gametes from two parents affect the genetic makeup of the offspring
What is the rate of alcohol loss in the bottoms
Assume the merry-go-round is a uniform disk of radius 2.0 m and has a mass of 900 kg, and two children (each with a mass of 20 kg) sit opposite each other on the edge. Calculate the torque required
CheckPoint: Mendel on Patterns of Inheritance
A dedicated sports car enthusiast polishes the inside and outside surfaces of a hubcap that is a section of a sphere. When she looks into one side of the hubcap, she sees an image of her face that i
How do the respiratory system and the urinary system work together?
Based on what you know about cardiovascular relationships and hemodynamics, do these changes make sense to you? Why or why not?
determine the magnitude of the force from the ground on (a) each front wheel (assuming equal forces on the front wheels) and (b) each rear wheel (assuming equal forces on the rear wheels).
If the molecular mass of a carbon atom is 12, the mass of a hydrogen atom is 1, and the mass of an oxygen atom is 16 daltons, how many molecules does one mole of table sugar (sucrose; C12H22O11) conta
Calculate the length L required to bring the ankles of a 60.0 kg jumper momentarily to rest 5.0 m above the river. Assume the initial drop velocity from the bridge is zero and neglect friction and d
Suppose that some of the atoms in a Cu crystal,, which has an fcc lattice, are gradually replaced by Zn atoms Considering that Zn is divalent while Cu is monovalent, calculate the atomic ratio of Z