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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: Why do group 1 elements have similar properties
1 answer
Q: What are the names and formulas for the oxyacids and iodine
2 answers
Q: What are two ways nitrogen becomes unusable
1 answer
Q: Is sunlight speeding up the evaporation of a bowl of water a chemical change
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Q: Which observation would provide indirect evidence that the bubbles are O2
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Q: The activities of the helped cause an increase in racial tension.
2 answers
Q: What is the equilibrium constant for the following reaction C plus O CO
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Q: What is the net ionic reaction between HCHO2 and NaOH
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Q: How many outer-ring electrons do calcium and oxygen have
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Q: Exposure to radioactive materials can cause or blood cancer.
1 answer
Q: Whichof the following characterizes a covalent bond
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Q: Equation for sodium
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Q: Describe blue tonality. What are the elements that are part of blue tonality
1 answer
Q: How many atoms and ions are in lithium chlorate
9 answers
Q: Is Carbon (C) and nitrogen (N) are in the same group.
2 answers
Q: How does chlorine enter the oceans
2 answers
Q: Scientists use critical thinking skills throughout the process of research or experimentation. A student notices that their energy level always seems to decrease when they drink soda but they seem to
1 answer
Q: Which materials are absent when coal is formed
2 answers
Q: What element is found in group 8 period 4
6 answers
Q: How many atoms are there in 5 grams of gold
1 answer
Q: How many moles of oxygen are produced when 7.5 moles of potassium chlorate decompose completely
9 answers
Q: What are different forms of a element
2 answers
Q: Which two chemicals acted upon by sunlight form ozone in the atmosphere volatile organic compounds and sulfur dioxide volatile organic compounds and nitrogen dioxide chlorofluorocarbons and sulfur dio
1 answer
Q: Angelo noticed his lab partner had incorrectly recorded the pressure of a gas in mmHg rather than in atmospheres as their teacher requested. When he corrected the mistake Angelo recorded 751.5 mmHg as
3 answers
Q: What protist type is indicated in this picture A. amoeba B. paramecium C. volvox D. euglena
2 answers
Q: Identity the state of matter with lowest degree of freedom between the molecules
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Q: What does it mean if a substance is a soluble
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Q: Medieval scientist who tried to turn worthless metal into gold
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Q: What is TWA is the average amount of a chemical a person can be exposed to over an eight hour day
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Q: Crushing a soda can chemical or physical change
2 answers
Q: The abilitys of metal to rust is a physical proporty of metals
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Q: What functional group is found in a aldehyde
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Q: What is a octyne
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Q: Does a colloid have smaller particles than a suloution
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Q: Which of the following molecules contains a covalent bond mgO hf hici cn-
1 answer
Q: CAn someone balance this equations NaCl plus KNO3 NaCl plus AgNO3 NaOH plus HCl Na2CO3 plus HCl BaCl2 plus H2SO4 CuSO4 plus Zn(NO3)2
2 answers
Q: Which state of matter has the greatest distance between the individual particles
4 answers
Q: What is the purpose of allowing a solution to stand for 12-24 hrs prior to the filtration operation
2 answers
Q: Why is cryolite used in the manufacture of aluminium
5 answers
Q: What is the equivalent weight of anhydrous sodium acetate
2 answers
Q: 1 m3 LPG gas equal to how much kg
1 answer
Q: How is the completeness of separation of the benzoic acid crystals from sodium chloride known with the addition of AgNO3 solution
5 answers
Q: What factor cause the difference in the size of crystal formed
2 answers
Q: What is the formula of the solid residue remaining after evaporation
2 answers
Q: Do the lungs regulate the body's pH balance
1 answer
Q: What is Tellerirum as a compound
1 answer
Q: WHAT IS THE BALANCED MOLECULAR EQUATION CA2bR2 plus NaCO3
1 answer
Q: What changes take place when water is left in an open container in a closed container
1 answer
Q: How many atoms are in 63.9g of ammonia
2 answers
Q: Give three reasons the actual yield for a product in a reaction is usually lower than the predicted yield
1 answer
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