What do you think is the charge of the nucleus of an atom? The nucleus of an atom has a positive charge because the proton is positive and the neutron is neutral. Protons and neutrons have similar mass. Electrons are smaller than a proton or a neutron. What two particles make up an atom? In […]
What are the factors on which internal resistance of cell depends?
What are the factors on which internal resistance of cell depends? Thus, the internal resistance of a cell depends on the factors like distance between the electrodes, the temperature, the effective area of the electrodes and the concentration of the solution. Does internal resistance of cell depends on the current draw from the cell? No. […]
Should an immersion heater be left on all the time?
What is the biggest carbon store?
What is the biggest carbon store? Ocean deposits What is the largest store of carbon dioxide in the earth environment? Most of Earth’s carbon—about 65,500 billion metric tons—is stored in rocks. The rest is in the ocean, atmosphere, plants, soil, and fossil fuels. Which plant absorbs the most co2? We Already Have the World’s Most […]
How do you classify a compound?
How do you classify a compound? Chemical compounds may be classified according to several different criteria. One common method is based on the specific elements present. For example, oxides contain one or more oxygen atoms, hydrides contain one or more hydrogen atoms, and halides contain one or more halogen (Group 17) atoms. What are 4 […]
What is the mass of a small marble in KG?
How much force is needed to break a wall?
How much force is needed to break a wall? Ever wondered how much force it takes to punch through a sheetrock wall? MissBusters did a study by assuming the distribution was normal. They randomly selected 5 walls and found it took an average of 3.22 Newtons with a standard deviation of 0.81 Newtons to break […]
What percentage of cars are gas powered?
What percentage of cars are gas powered? Most of the motor gasoline sold for use in vehicles in the United States is about 10% fuel ethanol by volume. In 2019, total gasoline consumption accounted for about 58% of total transportation sector energy consumption, 45% of total petroleum consumption, and 17% of total U.S. energy consumption. […]
Why would scientists use a control sample that has no DNA?
Why would scientists use a control sample that has no DNA? Scientists would use a control sample that has no dna from bighead carp in edna surveillance in order to to verify that no dna has contaminated the gel. It would eliminate certain errors in the experiment. What eDNA means? gentleness, pleasure, youthfulness. Edna (Hebrew: […]