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Chemistry

Delve into the study of matter, its properties, composition, structure, and the changes it undergoes during chemical reactions. Chemistry is the central science connecting other scientific disciplines.

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Questions
Q: What is the amount of energy required to raise the temperature of one gram of water by one degree celsius
7 answers
Q: Gases have a tendency to expand. what's the best synonym for expand
2 answers
Q: Is water vapor matter
2 answers
Q: Does SO3 have ionic bonds
1 answer
Q: Is compound HBro iconic
1 answer
Q: Is HBro ionic or covalent
1 answer
Q: In what compounds is copper commonly found in
1 answer
Q: What is the freezing point of 25.5 C7H11NO7S in 1.00 x 10 2g H2O
3 answers
Q: Where is oxygen transferred into the blood
1 answer
Q: How many atoms are in calcium hydroxide Ca(OH)2
2 answers
Q: The terms base and alkaline refer to solutions that
2 answers
Q: Luciferin is a molecule that when broken down in fireflies produces heat and light. The rate at which luciferin is broken down in cells is controlled by
1 answer
Q: Which gas contains the same number of molecules as 9 g of water
6 answers
Q: Gallium uses in everyday life
1 answer
Q: Modern antiquated weak
2 answers
Q: Why are biological and chemical a problem in contaminants water
1 answer
Q: Chemical symbol for dilute sulphuric acid
2 answers
Q: What only metal is liquid at room temp
9 answers
Q: Two chemical are mixed together and a gas is produce is it chemical or physical
2 answers
Q: Maria and rsquos father started a fire in the fireplace. He crumpled some paper lit a match and soon the logs in the fireplace were burning. In this case the stored chemical energy in the logs was cha
1 answer
Q: A student draws a picture of the products and reactants of a chemical reaction. What if anything is wrong with the drawing
1 answer
Q: What is dodecane a compound or element or mixture
1 answer
Q: Carbon dioxide is a molecule made up of a single carbon atom double bonded to two oxygen atoms. The electrons are shared equally between the carbon and the two oxygen atoms. What type of bonding does
2 answers
Q: Does nobelium have luster
1 answer
Q: Describe an example of cohesion and adhesion that you might observe during your daily life
2 answers
Q: Does yellow absorb green and red
2 answers
Q: The known laws of chemistry and physics can explain the origin of matter.
2 answers
Q: What kind of reaction is Zn(C2H3O2)2(aq) plus Na2S(aq) -- and gt ZnS(s) plus 2NaC2H3O2(aq
2 answers
Q: What is the Lewis dot for NaCl showing an ionic bond
1 answer
Q: What type of bond does sulfur have
1 answer
Q: What happens when citizens do not remain well informed
2 answers
Q: The majority of the injuries to gas-containing organs is usually attributed to which of the following
2 answers
Q: Which macronutrient contains nitrogen
1 answer
Q: In the neutralisation of sulfuric acid by potassium hydroxide what displaces the hydrogen in the acid
2 answers
Q: Scientific method for discovering vitamin C
1 answer
Q: John Dalton a British chemist developed many scientific theories. In one of his theories Dalton states that
3 answers
Q: Why do sodium ions need channels in order to move into and out of the cell
1 answer
Q: Oxidation number of BR in KBrO3
1 answer
Q: What is the difference between Y12 N12
1 answer
Q: Breads and other whole grain foods are composed of very large polysaccharide molecules which contain hydrogen oxygen and which other element
2 answers
Q: Does terbium have a odor
1 answer
Q: The specific heat of a certain type of cooking oil is 1.75 cal(g and middot and degC). How much heat energy is needed to raise the temperature of 2.40 kg of this oil from 23 and degC to 191 and degC
2 answers
Q: How much tin (Sn) is in 1462 atoms of tin
2 answers
Q: Is it the following sentence true or false four of the nonmetals are gases at room temperature
2 answers
Q: Valence electrons in neon family
1 answer
Q: Condensation occurs when a is changed into a .
1 answer
Q: What is the volume of 75.0g of ethanol
1 answer
Q: Is carbon stable
9 answers
Q: The elements of a story are
3 answers
Q: Kid friendly definition of condensation
2 answers
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