What is the number of moles of glucose in 0.5 l of a 0.4 M solution? 0.2 Moles How do you make a 10% glucose solution from 50% glucose solution? – If ready-made 10% glucose solution is not available: add 10 ml of 50% glucose solution per 100 ml of 5% glucose solution to obtain […]
Which of the following has low specific heat?
Which of the following has low specific heat? Specific heat is how much heat energy is needed raise the temperature of a substance. Water has a very high specific heat. That means it needs to absorb a lot of energy before its temperature changes. Sand and asphalt, on the other hand, have lower specific heats. […]
What happen with the mass of body when we take it to another place?
What happens to a container of gas when the pressure is increased?
What is eDNA Metabarcoding?
What is eDNA Metabarcoding? Environmental DNA (eDNA) metabarcoding is a novel method of assessing biodiversity wherein samples are taken from the environment via water, sediment or air from which DNA is extracted, and then amplified using general or universal primers in polymerase chain reaction and sequenced using next-generation sequencing to … What can eDNA tell […]
Does heat or air kill germs?
Does heat or air kill germs? Air temperature is key for bacteria. In general, cold air kills germs while warm air incubates them. What do hospitals use to sanitize the air? Ethanol and ammonia are commonly found in disinfectant agents, and formaldehyde in laundry detergents. As these products are used in such large quantities within […]
What is the average frequency of a radio wave?
What is the average frequency of a radio wave? Radio waves are a type of electromagnetic (EM) radiation with wavelengths in the electromagnetic spectrum longer than infrared light. They have have frequencies from 300 GHz to as low as 3 kHz, and corresponding wavelengths from 1 millimeter to 100 kilometers. What happens to the wavelength […]
What are the different characteristics of waves?
What are the different characteristics of waves? Waves are disturbances that travel through a fluid medium. Several common wave characteristics include frequency, period, wavelength, and amplitude. There are two main type of waves, transverse waves and longitudinal waves. Let’s talk about wave characteristics. How much time do you have to escape a tsunami? A tsunami […]
What are examples of dictatorship?
What are examples of dictatorship? Explore a few famous dictatorships, including where they were, time, and the dictator that ruled. Wallachia – 1456 to 1462 – Vlad III. Soviet Union – 1917 to 1924 – Vladimir Lenin. Soviet Union – 1964 to 1982 – Leonid Brezhnev. Germany Empire – 1888 to 1918 – Kaiser Wilhelm […]
Does indigo powder smell bad?
Does indigo powder smell bad? A: A natural indigo vat has a unique smell somewhere between earthy, musty, smoky with a hint of grass and manure! The indigo pigment that comes in your bottle is actually a fermented extract from a plant. Why is indigo powder not working? If it is too thick and hard […]