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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: This formula shows the chemical reaction that occurs when the body breaks down sugar. The products are carbon dioxide and water. how many carbon atoms are needed in this reaction
2 answers
Q: What describes the atoms in the molecule with the chemical formula Li2SO4
2 answers
Q: Acid rain increases as what Increases
1 answer
Q: If Iron oxide is reduced what do you get
2 answers
Q: What are the two primary sources for the materials that comprise the dissolved components in seawater
7 answers
Q: Explain how the results of chaff's experiment may have helped Watson ans crick determine the structure of DNA
1 answer
Q: Which elements have electron configurations that end in ns 2 np 5
2 answers
Q: What is 3 some sources of co2
2 answers
Q: Inline elements are normally displayed without starting a new line.
2 answers
Q: Molecular formula of Mohr's salt
7 answers
Q: How many ions are in K3Fe(CN)6
1 answer
Q: What type of bonding CaO and SO2
1 answer
Q: How can you recognize a substance is an acid
1 answer
Q: What is the word equation for copper plus oxygen
1 answer
Q: What odour is chlorine
1 answer
Q: Does a mole of the element uranium and a mole of CO2 have the same number of particles
2 answers
Q: The number of molecules in 48.0 grams of oxygen gas (O2) is
2 answers
Q: If a sample has a mass of 1.25 and Atilde and 151 102 g and a volume of 51 mL what is its density
1 answer
Q: One instrumental method used to identify element's or compounds
1 answer
Q: CO2 plus H2O -- and get C6H12O6 plus O2
2 answers
Q: What do acids do in a solution'
2 answers
Q: Soap is made from a strong base and oil. would you expect the pH of soap to be 4 or 9
2 answers
Q: How many nonbonding electrons are in a water molecule
9 answers
Q: Which element has the following ground state configuration 1s22s22p63s23p64s1
2 answers
Q: If you have 60 grams of sodium hydroxide NaOH (FW 40 gramsmole) how many moles of sodium hydroxide would you have
2 answers
Q: Which type of radiation can penetrate a thin piece of lead
7 answers
Q: Does a scoria have any reaction to vinegar
1 answer
Q: Who is less malleable sodium iron gold silver
3 answers
Q: The elements that comprise a CFC are
1 answer
Q: What mineral is colorless bubble with acid and oftn used in cement and lime
1 answer
Q: Why must no foreign vapors be left in a refrigeration system
1 answer
Q: The chemical equation below shows the reaction of methane (CH4) and oxygen gas (O2) to form carbon dioxide (CO2) and water (H2O)
1 answer
Q: What is the electro negativity difference of bromide
1 answer
Q: Which of the answer choices correctly lists the elements found in Period 2 of the periodic table
2 answers
Q: Chemical properties of matter depend mostly on what
1 answer
Q: Calculate the formula mass for MgCl2
6 answers
Q: Formation reaction for C2H6O
2 answers
Q: What does concentrated mean
2 answers
Q: How many grams of Cu(NO3)2 are needed to produce 1.00 L of a 0.500 M solution
2 answers
Q: To break apart and reduce in strength
1 answer
Q: If there are 20 grams of NH3 dissolved in 100 grams of water at 30 degrees C. What type of solution will you have
2 answers
Q: What is the use of evaporation and condensation to separate the the parts of a mixture
2 answers
Q: Word equation and chemical equation for iron and copper ll sulfate
2 answers
Q: Does garnet schist react with hydrochloric acid
1 answer
Q: Name a common greenhouse gas containing only hydrogen and oxygen
1 answer
Q: Why excess amino acids cannot be stored in the body
1 answer
Q: What is the substance that produces hydroxyl ions when dissolved in water is a
2 answers
Q: WHAT substance that produces hydrogen ions in solution is a
2 answers
Q: What is the name of Zn (PO4)2
4 answers
Q: When alkenes react with bromine water what colour do they change to
1 answer
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