Does phenolphthalein turn pink in acid or base? Phenolphthalein is often used as an indicator in acid–base titrations. For this application, it turns colorless in acidic solutions and pink in basic solutions. It belongs to the class of dyes known as phthalein dyes. What is the pH range for the color change of phenolphthalein? Indicator […]
What are the 2 types of active transport?
What are the 2 types of active transport? Active transport requires cellular energy to achieve this movement. There are two types of active transport: primary active transport that uses adenosine triphosphate (ATP), and secondary active transport that uses an electrochemical gradient. Is facilitated diffusion an example of passive transport? Facilitated diffusion is a type of […]
What will happen in 600 million years?
What is positive decision making?
What is positive decision making? Positive decision makes attempts to seek out all alternative outcomes and sets about achieving the best of those outcomes. Planning. Negative decision making, being based on the absence of negative consequences, has little opportunity for planning. What defines a good decision? A good decision is one that is made deliberately […]
What is the most probable reason why a life jacket helps you float in water?
What is the most probable reason why a life jacket helps you float in water? The trapped air weighs much less than the weight of the water it displaces, so the water pushes up harder than the life jacket pushes down, allowing the life jacket to remain buoyant and float. This buoyancy is strong enough […]
Does high spin speed damage clothes?
Does high spin speed damage clothes? Myth: Higher spin speeds will ruin your clothes! Busted: No! Higher spin speeds will not ruin your clothes when you use the appropriate settings. High spin speeds are ideal for cottons, bulky items such as towels and bedding and denim. Can you rinse clothes in a spin dryer? You […]
Is eating no meat healthy?
Is eating no meat healthy? The health factor And people who don’t eat meat — vegetarians — generally eat fewer calories and less fat, weigh less, and have a lower risk of heart disease than nonvegetarians do. Even reducing meat intake has a protective effect. Will I get sick if I eat meat after being […]
What is the third ionization energy of a ground state Beryllium Be atom?
What is the third ionization energy of a ground state Beryllium Be atom? Beryllium atoms have 4 electrons and the shell structure is 2.2. The ground state electron configuration of ground state gaseous neutral beryllium is [He]….Ionisation Energies and electron affinity. Ionisation energy number Enthalpy / kJ mol‑1 3rd 14848.72 4th 21006.64 How do you […]
How do I get my teacher to accept late work?
How do I get my teacher to accept late work? Put in the effort: 6 etiquette tips for turning in a late… Talk to the professor as early as possible. Keep excuses to a minimum. Take personal responsibility. Turn in quality work. Don’t get upset if points are taken off. Assure the professor that this […]
What is going to happen in 2099?
What is going to happen in 2099? Artificial intelligence will move its influence beyond Earth’s limits to the entire Solar System, and then it will move on to other galaxies. Stars, planets, and meteors will be transformed into a structured matter capable of sustaining life. By 2099, machines will be capable of building computers the […]