How do you know if a sample is representative? A representative sample should be an unbiased reflection of what the population is like. There are many ways to evaluate representativeness—gender, age, socioeconomic status, profession, education, chronic illness, even personality or pet ownership. What percentage of sample is representative? For example, in a population of 1,000 […]
Why do we use 8.314 as the value for R?
Do neurons allow us to think?
Can you run jet fuel in a diesel?
What is the charge on the 2uf capacitor?
What is the declination of the sun on March 21st?
What is the declination of the sun on March 21st? 0º What is meant by declination? 1 : angular distance north or south from the celestial equator measured along a great circle passing through the celestial poles. 2 : a turning aside or swerving. 3 : deterioration moral declination. What is a longitude line? Longitude […]
What is satellite moving in an orbit around the Earth the ratio of kinetic energy to potential energy is?
What is satellite moving in an orbit around the Earth the ratio of kinetic energy to potential energy is? Hence, the ratio of kinetic energy to potential energy is 21 Was this answer helpful? What is the ratio of kinetic energy and potential energy of a satellite? For the satellite moving in an orbit around […]
Why might a bright yellow solid form when two clear colorless liquids are mixed?
Why might a bright yellow solid form when two clear colorless liquids are mixed? Explanation: When two substances (can be aqueous or liquids) in solution react, they yield a solid and an aqueous compound. This is a double displacement reaction in which the solid is known as a precipitate. Can two solids react to form […]
Which of the following factors does not affect the movement of ocean water?
Which of the following factors does not affect the movement of ocean water? Which of the following factors does not affect the movement of ocean water? Temperature. Salinity. How temperature affects the movement of ocean water? Water expands when it warms up – heat energy makes its molecules move around more and take up more […]
Is oxygen a donor or acceptor?
Is oxygen a donor or acceptor? Oxygen is an oxidizing agent (electron acceptor) and hydrogen is a reducing agent (electron donor). What are the best electron donors? When a really good donor meets a great acceptor, the chemical reaction releases a lot of energy. Oxygen (O2) is the best electron acceptor and is used in […]