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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: What best describes how forces are important to chemisty
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Q: What percentage of oxygen in the air we breathe
3 answers
Q: What is another word of nuclear division
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Q: Which type of bond will most likely form between Cesium (Cs) and Bromine (Br)
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Q: What is the mass of this atom of Calcium - 40
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Q: What can a graduated cylinder be used for
1 answer
Q: 4) How many moles are in 1.18 g of NO2
2 answers
Q: How many different elements would be needed to construct a molecule of C8H10N4O2
1 answer
Q: Atoms of different elements have different number of protons true or false
9 answers
Q: The lattice structure in a metal is than the lattice structure of an ionic compound
1 answer
Q: A patient is told not to eat or drink anything for 12 hours before having blood drawn to test the level of glucose quizle
1 answer
Q: A radioactive element has a half-life of 2000 years. If a sample of this element begins with a mass of 100 grams how long would you have to wait for the mass to decrease to 25 grams
5 answers
Q: What still has many uses because it is heat-resistant but it is no longer widely used in new home construction.
2 answers
Q: Is sour acidic or alkaline
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Q: 500 mg how many ounces
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Q: Is mercury denser than honey
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Q: Effect on natural resources when some farmers use too much chemical fertilizers to replenish soil fertility
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Q: How many mol of oxygen in 3.5 mol of caffeine.
2 answers
Q: What does the 2 mean in 3H2
1 answer
Q: Lithium-6 undergoes beta decay. What does lithium-6 decay into
3 answers
Q: Fossil fuels form from nuclear chain reactions
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Q: What are the example of inorganic salt
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Q: What type lab test is not conducted if a patient has suspected plaque
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Q: What effect did the petroleum jelly have on transpiration.
1 answer
Q: Food can spoil through mere exposure to air because it will lose electrons. This loss of electrons creates free radicals which destroy chemical bonds in the food causing it to spoil. What is this proc
2 answers
Q: Factor in everyday life
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Q: Which of the following examples is a molecule with a covalent bond (Use the electronegativity values from the periodic table link to help you answer this question.)
3 answers
Q: Which is true about sugar dissolving in water Sugar is the solvent and water is the solute. Both sugar and water are solvents. Sugar is the solute and water is the solvent. Both sugar and water are so
2 answers
Q: Is Sterling Silver a metal or alloy
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Q: You are diluting an acid for use in the lab. To make the dilution you must add exactly 10.0 mL of acid to 90 mL of water. What tool should you use to measure the acid
2 answers
Q: Valence electrons are present in more than one what
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Q: According to the Arrhenius equation changing which factors will affect the rate constant
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Q: How is bronsted lowry similar to lewis theories of acid and bases
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Q: The electron sharing that takes place in a covalent bond is often represented by...
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Q: Liquid water can change to water vapor through boiling or .
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Q: Pure substances can be classified as or compounds.
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Q: What walls exchange oxygen and carbon dioxide during respersation
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Q: Number of subatomic particles in potassium
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Q: Humans have greatly increased the level of what in the atmosphere.
2 answers
Q: How do you label the elements in a molecule of indigo
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Q: The amount of oxygen that ones body can process in a given time
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Q: What term is defined as two or more elements joined together
3 answers
Q: By what process autotrophic organisms convert solar energy into chemical energy
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Q: An ionic compound is a compound that consists of molecules made of atoms that are covalently bonded.
2 answers
Q: What group is pb
2 answers
Q: In a double covalent bond two electrons are shared between
1 answer
Q: The merit of a new scientific theory is judged by the scientific community based on
2 answers
Q: What is the chemical compound name for Hg2F2
1 answer
Q: Which type(s) of RNA is (are) involved in protein synthesis
3 answers
Q: Two identical corks float in separate beakers. One beaker contains distilled water. The other beaker contains a saltwater solution with a high concentration of salt. Which statement is true for this s
1 answer
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