What are the numbers called that you add to balance an equation? The numbers placed in front of formulas to balance equations are called coefficients, and they multiply all the atoms in a formula. Thus, the symbol “2 NaHCO3” indicates two units of sodium bicarbonate, which contain 2 Na atoms, 2 H atoms, 2 C […]
Why is carbon Valency 4?
Why is carbon Valency 4? Valency of carbon is 4. The outer electronic configuration of carbon is 2s22p2. It shares these 4 valence electrons to form 4 covalent bonds. Hence, valency of carbon is 4. How many bonds does a single carbon atom form? four What type of bonds do carbon atom forms? Summary Carbon […]
Which of the following is the best indicator of the performance of the national economy?
Which of the following is the best indicator of the performance of the national economy? The most comprehensive measure of overall economic performance is gross domestic product or GDP, which measures the “output” or total market value of goods and services produced in the domestic economy during a particular time period. What are the best […]
Why is the field inside a conductor zero?
Why is the field inside a conductor zero? The field lines end on excess negative charge on one section of the surface and begin again on excess positive charge on the opposite side. No electric field exists inside the conductor, since free charges in the conductor would continue moving in response to any field until […]
Can you have an efficiency greater than 1?
Why do chemists use parentheses?
Why do chemists use parentheses? 1 Expert Answer In chemistry, we use parentheses to help identify that there is more than one polyatomic ion present. There is only one sulfate ion so no parentheses is needed. Which is the formula of an ionic compound? To find the formula of an ionic compound, first identify the […]
Does alcohol evaporate on skin?
Does alcohol evaporate on skin? The cooling effect of evaporation is obvious when you dab some rubbing alcohol on to your skin. You will have a sensation of coolness as you watch the alcohol evaporates away. The temperature of your skin is much lower than the boiling point of alcohol (78 ), so the alcohol […]
What are examples of cognitive therapy?
What are examples of cognitive therapy? Some of the techniques that are most often used with CBT include the following 9 strategies: Cognitive restructuring or reframing. Guided discovery. Exposure therapy. Journaling and thought records. Activity scheduling and behavior activation. Behavioral experiments. Relaxation and stress reduction techniques. Role playing. What is the cognitive cause of anxiety? […]
Is it bad to have a hole in your microwave?
Is it bad to have a hole in your microwave? If the hole is larger, microwaves might leak. However, even if the waves leak out, it is highly unlikely that they will cause any damage, as microwaves are non-ionizing in nature and do not carry much energy as individual waves in open space. Can human […]
Is Poseidon possible?
Is Poseidon possible? ” ‘Poseidon’ is good clean fun, but it’s not likely to happen,” said Dr. William Asher, principal oceanographer at the applied physics laboratory at the University of Washington. In “Poseidon,” the ship’s passengers are partying hard when a freak 150-foot wave strikes the luxury liner broadside, rolling it over. Is Poseidon true […]