How do you increase surface area? The rate of a chemical reaction can be raised by increasing the surface area of a solid reactant. This is done by cutting the substance into small pieces, or by grinding it into a powder. How can you increase the surface area of water? Surface tension is the energy […]
What is the best form of power?
Which metal is a poor conductor of electricity?
Which metal is a poor conductor of electricity? Bismuth and tungsten are poor conductors of electricity. Can diamonds stop a bullet? Pound for pound, diamonds are not very good at stopping bullets. The energy absorbed by diamond shattering is much less than the energy absorbed by metals deforming. A plate of steel would be better […]
What 4 actions should you take after a first aid incident?
What 4 actions should you take after a first aid incident? First aid: 6 life-saving steps if you’re first on the scene of an accident. Step 1: Identify and mitigate potential dangers. Step 2: Call for help. Step 3: Check for a response. Step 4: Check the casualty’s airway. Step 5: Check the casualty is […]
What happens if the body does not maintain homeostasis?
What happens if the body does not maintain homeostasis? When the cells in your body do not work correctly, homeostatic balance is disrupted. Homeostatic imbalance may lead to a state of disease. Disease and cellular malfunction can be caused in two basic ways: by deficiency (cells not getting all they need) or toxicity (cells being […]
Which is an example of liquid glass thermometer?
Which is an example of liquid glass thermometer? Mercury Thermometers This type of thermometer was developed by a German based physicist named Daniel Gabriel Fahrenheit. It consists of mercury as a liquid filled in a glass tube. On the body of the glass tube, calibrated marks are provided which facilitates the reading of temperature. How […]
What is the best definition for luminosity?
What is the best definition for luminosity? 1a : the quality or state of being luminous. b : something luminous. 2a : the relative quantity of light. b : relative brightness of something. How is luminosity calculated? Luminosity equation. Absolute and apparent magnitude. Calculating luminosity: an example….Luminosity equation σ is the Stefan Boltzmann constant, equal […]
How do I make a polite request?
How do I make a polite request? Here are some better phrases to make polite requests in English: “Do you mind…?.” “Would you mind…? “Could I…?” “Would it be ok if…?” “Would it be possible…?” “Would you be willing to…?” Can you make a request? Could and May A third modal for making polite requests […]
What was the most significant event in 1999 to impact the environment?
What was the most significant event in 1999 to impact the environment? It is part of the Global Environment Outlook project. The Dioxin Affair, primarily a political crisis, occurred in Belgium during the spring of 1999 due to contamination of feedstock with polychlorinated biphenyls (PCBs). What were some of the main events that led to […]
Which element has a mass of 24?
Which element has a mass of 24? Chromium Why are lanthanides Coloured? Lanthanides or more precisely lanthanides ions are coloured mainly because of their partly filled f orbitals. This allows a certain wavelength from the visible region of the spectrum to be absorbed which leads to the formation of f-f transition. Is lanthanides are Colourless? […]