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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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Q: Electronic number finder
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Q: NaHCO3 has how many atoms
2 answers
Q: What is the balanced equation for sodium sulfate plus lithium nitrate
1 answer
Q: Is ginger a pure substance or a mixture
2 answers
Q: What is the equation for the reaction of boron with magnesium
1 answer
Q: What Kind of bond is present in HF
1 answer
Q: How do you use matter
1 answer
Q: What other elements are in menthol
2 answers
Q: What are the two physical properties of toothpaste
1 answer
Q: What are the two physical properties of pepsi
1 answer
Q: What is the percent yield for the reaction below when 544.5 g SO2 and 160.0 g O2 produce 382.0 g SO3
1 answer
Q: Elements 2 and 3 are major building blocks in glucose fructose and sucrose. What are these elements
4 answers
Q: Which redox reaction would most likely occur if silver and zinc metal were added to a solution that contained silver and zinc ions
1 answer
Q: Does sugar dissolve in ethyl acetate
1 answer
Q: Is chlorine a non-reactive metal
2 answers
Q: Why is iodine slightly soluble in water
1 answer
Q: What shape would a molecule with two bound groups and two lone pairs have apex
2 answers
Q: In the following ions the first atom listed is the center atom to the rest of the atoms. Which of the following ions would have a tetrahedral shape apex
2 answers
Q: What is a lone pair apex
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Q: How many atoms in nh4 2 hpo 4
1 answer
Q: How many atoms are in mg po4 2
1 answer
Q: How much chlorine will react with 5.00 g of zinc to form zinc chloride
1 answer
Q: A compound that is made up only of carbon and hydrogen is called a(n) .
2 answers
Q: What is needed to balance the reaction Cl2 plus KI KCl plus I2
1 answer
Q: What are the spectator ions in Mg(s) plus Zn2 plus plus 2NO3- Mg2 plus plus 2NO3- plus Zn(s)
1 answer
Q: If a reaction starts with 4 Cu atoms 5 O atoms and 10 H atoms what is known about the products
2 answers
Q: Which pair of formulas represents the same compound
2 answers
Q: What compounds would you expect to be most soluble in water
2 answers
Q: An acid is a molecule that donates what
5 answers
Q: Halocarbons contain carbon hydrogen and atoms from which set of elements
2 answers
Q: How many moles of aluminum are required to produce 4 moles of hydrogen
3 answers
Q: The freezing point of corn oil is about 259 K. By how many degrees is this different from the freezing point of water on the Kelvin scale
2 answers
Q: Which atoms make up the functional group of ethanol (CH3CH2OH)
3 answers
Q: Scientists in which of the following fields may use the principles of chemistry
7 answers
Q: How many electrons does potassium need to gain or loose to become more stable
2 answers
Q: How can you tell if a substance is pure or not
1 answer
Q: Which of theses statements is true regarding a job search
2 answers
Q: In a hydrogen ion pump the energy is used to join small molecules together to make larger ones. Which factor most likely has the greatest effect on the number of molecules mitochondria can produce
4 answers
Q: What does KC stand for in blood test
1 answer
Q: What kind of bond is present in HCl (Use the electronegativity values from the periodic table link to help you answer this question.)
2 answers
Q: Is vanillin covalent or ionic
1 answer
Q: The size of Cl- ion is larger than Cl atom
3 answers
Q: This mineral is used to add flavor to foods and as a sewage treatment.
1 answer
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