Which of the following best describes the activation energy of a reaction? The answer is B as activation energy is the least possible amount of energy (minimum) which is required to start a reaction or the amount of energy available in a chemical system for a reaction to take place. What would increase the rate […]
Which would be the better position for a solar water heater?
Which would be the better position for a solar water heater? In general, the optimum orientation for a solar collector in the northern hemisphere is true south. However, recent studies have shown that, depending on your location and collector tilt, your collector can face up to 90º east or west of true south without significantly […]
What are the physical properties of dialysis tubing?
What are the physical properties of dialysis tubing? differentially permeable What special property does the membrane in a dialysis machine possess? A dialysis membrane is a semi-permeable film (usually a sheet of regenerated cellulose) containing various sized pores. Molecules larger than the pores cannot pass through the membrane but small molecules can do so freely. […]
What is an ore example?
What is an ore example? Ores are minerals that have a high concentration of a certain element, typically a metal. Examples are cinnabar (HgS), an ore of mercury, sphalerite (ZnS), an ore of zinc, or cassiterite (SnO2), an ore of tin (Mineral). Which is an ore? Ore is natural rock or sediment that contains one […]
What is the current interest rate on motorhomes?
What is the current interest rate on motorhomes? A larger down payment will help lower your monthly payments, and you may even qualify for a lower interest rate. Current RV loan interest rates start around 4.29 percent, and the rate you get depends on your credit and other factors. What is the average loan term […]
Is the reaction of sodium and oxygen spontaneous?
Is the reaction of sodium and oxygen spontaneous? Answer. it reacts with oxygen and burns…..so it reacts spontaneously with oxygen….. What happens to electrons when sodium reacts with oxygen? The reaction between sodium and oxygen is called oxidation because electrons are transferred from one atom to another. When sodium reacts with oxygen each sodium atom […]
Why was the Tollund Man in a bog?
How do you fix application has been blocked from accessing graphics?
How do you fix application has been blocked from accessing graphics? By running this, you can potentially fix the ‘Application has been blocked from accessing graphics hardware’ error. Click on the Windows icon on your taskbar. Click on Settings (gear icon). Choose Update & Security from the list. Select Troubleshoot from the left-side menu. Select […]
What happens when the red litmus paper turns to blue and blue litmus paper turns to red?
What happens when the red litmus paper turns to blue and blue litmus paper turns to red? Light Blue litmus paper turns red under acidic conditions and red litmus paper turns blue under basic or alkaline conditions, with the color change occurring over the pH range 4.5–8.3 at 25 °C (77 °F). Neutral litmus paper […]
How do tectonic plates affect us?
How do tectonic plates affect us? Plate tectonics affects humans in several important ways. What would Earth be like without plate tectonics? We’d have many fewer earthquakes and much less volcanism, fewer mountains, and probably no deep-sea trenches. In other words, the Earth would be a much different place. What are small plates called? Major […]