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Explain whether water is a cause of either chemical weathering physical weathering or both?
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What process does igneous rock have to go through to be formed into sediment?
The igneous rock must be exposed to weathering, whether it be chemical weathering, or mechanical weathering.
Sulfur has a bright yellow color is this physical or cheimical property?
Its colour, its melting point, its boiling point, whether it is magnetic or not, whether it is an electrical conductor or not and its atomic mass are all physical properties.
Explain how you can tell whether a chemical reaction has taken place?
A chemical change or reaction happens if new substances are formed. there may be a change in temperature so the reaction mixture may heat up or cool down. it also might change colour, give off bubbles of gas or fumes and you also might hear fizzing or a gas might explode.
Is a boiling point chemical property of a substance?
Boiling is a physical change not a chemical property change. Changes of a substances state are physical changes. In a chemical change, a new compound or substance is the result. In a physical change no new substance is formed. Example: Water - whether it's a solid (ice) liquid (water) or a gas it's the same substance. When the water boils it changes to steam(gas) which is still water in the air, and when we cool down the gas (condensation) it changes back to water.
What is the primary basis for distinguishing among different chemical sedimentary rocks?
By composition, group, and method of lithification. Composition is what its made of, group is whether the rock has grain or layers--if yes, than its clastic, if no, than its chemical or organic--and method of lithification is whether is was formed from compaction, cementation......etc.
What process does igneous rock have to go through to be formed into sediment?
The igneous rock must be exposed to weathering, whether it be chemical weathering, or mechanical weathering.
Can physical weathering make a rock bigger?
Physical weathering is mechanical action which typically erodes rock faces. This invariably results in a smaller rock. Chemical weathering involves water absorption or other reactions. Mechanical heating and freezing can crack and fissure the rock, slightly increasing its size. In general, physical weathering is an abrading process, whether via water born sediment wearing away the rock, or wind blown particles sand blasting the rock, and these actions make reduce the rock's size.
Is dissolving salt in water a a chemical change or a physical change?
It is a physical change as it can be "undone" by evaporating the water. An simple example of a chemical change is baking a cake, you can't un-bake a cake. To work out whether it is a chemical or physical change just think whether it can be undone or not.
What are the two criteria for whether a change is chemical or physical?
Oxygen and hydrogen
What would be a rule deciding whether a change is chemical or physical?
- A physical change is a change of phase or dimensions. - A chemical change is a change of the chemical structure, new molecules are formed, the initial molecule is transformed.
How does ice contribute to physical weathering?
It falls in the cracks as water and freezes. As it freezes, it expands, eroding what ever it fell into, whether its concrete or rock.
Is food physical property and chemical property?
Food is not a property. Food is a general description of matter that is edible can be eaten) the various chemical substances that make up food have both physical and chemical properties. Whether something is edible or not depends on both physical and chemical factors.
Is breaking your arm a physical change?
I have reasons to believe it is a physical change. The appearance is different but the body functions pretty much the same way it would have. Although, there maybe a chemical change as the body adapts to having one hand. Whether the Chemical change occurs in the body or joint where the hand was previously it still doesnt explain why it shows signs of physical change as well.
How do you decide whether an observed property of matter is a physical property?
If the property can be observed without changing the chemical composition of the substance, then it is a physical property. If the property can be observed only through a chemical reaction, then it is a chemical property.
Is reacting with vinegar a physical or chemical property?
chemical i think vinegar with bicarb produces co2
Is rain evaporation physical or chemical?
Physical change from liquid to vapour. The water remains chemically the same whether liquid or vapour.
Is gas physical or chemical at room temp?
This question makes no sense. All substances, whether solid, liquid, or gas have both physical and chemical properties at virtually all temperatures.
