Does sugar dissolve faster in hot or cold water? Sugar dissolves faster in hot water than it does in cold water because hot water has more energy than cold water. When water is heated, the molecules gain energy and, thus, move faster. As they move faster, they come into contact with the sugar more often, […]
What can be used to identify a material?
What can be used to identify a material? To identify a substance, you would compare the density of an unknown substance with the densities of known substances. Examples: The densities of wood, plastic and steel are all different. What are the steps to identify a substance? Four steps to successful substance identification Analyse your substance. […]
How do you ensure accuracy in a titration?
How do you ensure accuracy in a titration? Terms in this set (9) Meniscus at eye level. To avoid parallax error. White tile. To see end point clearer. Remove funnel before titrating. Increases the vol making the titre smaller. Dropwise addition. No bubbles in pipette & burette at the tip. Swirling during titration. Few drops […]
What is the evidence that volcanic activity can affect global temperatures?
What is the evidence that volcanic activity can affect global temperatures? The gases and dust particles thrown into the atmosphere during volcanic eruptions have influences on climate. Most of the particles spewed from volcanoes cool the planet by shading incoming solar radiation. The cooling effect can last for months to years depending on the characteristics […]
What keeps the heat in Earth?
What keeps the heat in Earth? There are three main sources of heat in the deep earth: (1) heat from when the planet formed and accreted, which has not yet been lost; (2) frictional heating, caused by denser core material sinking to the center of the planet; and (3) heat from the decay of radioactive […]
What are the 3 common units of volume?
What are the 3 common units of volume? Three common units of volume are: cubic centimeters. liters. gallons. What are examples of units of volume? Volume measures capacity. For example, the volume of a bowl is the amount of space inside the bowl or how much water, for example it would take to fill the […]
What is DC generator with diagram?
What is DC generator with diagram? A DC Generator is an electrical device which converts mechanical energy into electrical energy. It mainly consists of three main parts, i.e. magnetic field system, armature and commutator and brush gear. What type of DC motor can be used as a generator? Rule #1: For generation of DC voltage […]
How do we use convex mirrors?
How do we use convex mirrors? These convex mirrors are used for cars because they give an upright image and provide a wider field of view as they are curved outwards. Convex mirrors are also often found in the hallway of various buildings including hospitals, hotels, schools, stores and apartment building. Where do we use […]
What are the three types of sedimentary rocks?
What are the three types of sedimentary rocks? There are three different types of sedimentary rocks: clastic, organic (biological), and chemical. Clastic sedimentary rocks, like sandstone, form from clasts, or pieces of other rock. What is the most common sedimentary rock? 95% of all sedimentary rocks consists of sandstones (made up of sand sized fragments), […]
What are the three properties of water quizlet?
What are the three properties of water quizlet? Terms in this set (8) Polar Molecule. Molecule like water that has regions with opposite charges. ( Cohesion. Property of water that allows it to stick to itself. Expansion Upon Freezing. Property of water that is the reason ice floats. Adhesion. Hydrogen Bond. Solvent. Resists Temperature Change. […]