What is the habitat of a palm tree? Most palms are native to tropical and subtropical climates. Palms thrive in moist and hot climates but can be found in a variety of different habitats. Their diversity is highest in wet, lowland forests. South America, the Caribbean, and areas of the south Pacific and southern Asia […]

How do you standardize na2s2o3? Sodium Thiosulphate Solution Preparation Take about 100 ml of water in a cleaned and dried 1000 ml volumetric flask. Add about 25 gm of Sodium Thiosulphate with continues stirring. Add about 0.2 gm of Sodium Carbonate with continues stirring. Add more about 700 ml of water, mix. Make up the […]

Why do molecules with different structural formulas have different smells? Why do you think molecules with different structural formulas have different smells? Possible Answer: Atoms on the molecules might react with smell receptors inside the nose. Different receptors may detect different types of molecular structures, leading to different sensations of smell. Why does each house […]

What are the common sources of infection? Infectious diseases can be caused by: Bacteria. These one-cell organisms are responsible for illnesses such as strep throat, urinary tract infections and tuberculosis. Viruses. Even smaller than bacteria, viruses cause a multitude of diseases ranging from the common cold to AIDS. Fungi. Parasites. What are 3 common viral […]

What are the chemical properties of hydrocarbons? Hydrocarbons are organic compounds that are entirely made up of only two kinds of atoms – carbon and hydrogen. Typically, hydrocarbons are colourless gases that have very weak odours. What are the physical properties of alkenes? Physical Properties of Alkenes Physical State. These double-bonded compounds are colourless and […]

What is the best way to document tool mark evidence? Photography is the best way to documents tool and tool mark evidence. Photographs should include a ruler for size reference. c. Whenever possible, submit the whole object containing tool marks to the laboratory instead of just removing the area containing the mark. How are tool […]

How do four spheres interact with each other? All the spheres interact with other spheres. For example, rain (hydrosphere) falls from clouds in the atmosphere to the lithosphere and forms streams and rivers that provide drinking water for wildlife and humans as well as water for plant growth (biosphere). Flooding rivers wash away soil. How […]

When particles in a solid liquid or gas vibrate they can produce? Atoms or molecules in a fluid, such as a liquid or a gas, vibrate as they flow. All randomly vibrating subatomic particles, atoms, and molecules have kinetic energy due to their constant movement. The average kinetic energy of these particles creates the effect […]

What is the difference between mass number and atomic mass quizlet? The mass number is the total number of protons and neutrons. Distinguish between mass number and atomic mass. The atomic mass measures the total mass of an atom. The mass number is the total number of protons and neutrons in an isotope. What is […]

How many neutrons does h20 have? 8 neutrons What is the total number of protons in an atom called? The number of protons in an atom is called its atomic number (Z). This number is very important because it is unique for atoms of a given element. All atoms of an element have the same […]