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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: How do we get nitrogen with out breathing it in
2 answers
Q: What is the Lewis structure for hydrogen chloride HCI
1 answer
Q: Does sodium hydrogen carbonate release carbon dioxide
1 answer
Q: What is the one or two letter character used to identify an element
2 answers
Q: What must be the same on both sides of a balanced chemical equation
1 answer
Q: How many moles in 11.5 g of C2H5OH
6 answers
Q: What is dustsaltpollen and acid droplets in the atmosphere are called
1 answer
Q: What are a category of elements that can be solids liquids or gases at room temperature
1 answer
Q: What are the bonds that hold the nitrogenous bases together
2 answers
Q: What is the effective nuclear charge of Germanium
1 answer
Q: What type of chemical bond is found in na2s
2 answers
Q: Is combining carbon dioxide and water to make sugar a physical change
2 answers
Q: What element in coal is oxidised to form this gas
1 answer
Q: Would fluorine's chemical properties resemble those of oxygen or those chlorine
2 answers
Q: How do most inhibitors work in science
1 answer
Q: What are the disadvantages of iron in the industry
3 answers
Q: What is the ionic equation for Potassium carbonate and Sulphuric Acid
1 answer
Q: How the mass of an atom is organized
3 answers
Q: Will copper and oxygen react together
1 answer
Q: What was the chemical cycle like on a prairie
1 answer
Q: How do you describe physical and chemical properties can be used to identify elements
1 answer
Q: What nutrient contains nitrogen carbon hydrogen and oxygen in the body
2 answers
Q: How do you pass a bond referendum
1 answer
Q: Did Mendeleev know about protons neutrons and electrons
2 answers
Q: How is a container of hydrogen gas and oxygen gas different form a container of watervapor
1 answer
Q: What percent of honey is water
1 answer
Q: How is the electron arrangement of an atom indicated by electron configurations and orbitals diagrams
2 answers
Q: What are two sources of gas that acid precipitation
1 answer
Q: What key role does water play in chemical weathering
1 answer
Q: What is meant by incineration for what purpose it is used
2 answers
Q: What is the chemical equations for carbon dioxide
3 answers
Q: When making soap if 890 g of a specific fat react completely with 115 g of sodium hydroxide the products formed are soap and 90 g of glycerin. Calculate the mass of soap formed to satisfy the law of c
2 answers
Q: Is N2O4 an ionic or covalent bond
1 answer
Q: What is a butyllithium
2 answers
Q: How can you calculate the density of substances using an equation
2 answers
Q: What element is responsible for the purple color in KMnO4
1 answer
Q: What is a split complimentry color
1 answer
Q: How many atoms does Cu2O
1 answer
Q: What gases are begin exchanged in the alveoli
2 answers
Q: What method would you use to separate wood and brick pieces
2 answers
Q: When can you predict the reactant in a decomposition reaction
6 answers
Q: What is the pH rangr for acids bases
2 answers
Q: Can carbon be broke down into less complex substance
6 answers
Q: What happens to the concentration of hydrogen ions when an acid and a base are reacted
1 answer
Q: What are some examples of nitric acid used in everyday life
1 answer
Q: What microorganism is found in oceans and produces oxygen we can breath
1 answer
Q: Why the leaf could not simply be dipped in iodine
1 answer
Q: What is 39.9 Fahrenheit to Celsius
2 answers
Q: What is the crystallized form of sulfuric acid
1 answer
Q: What causes the water to become warm
1 answer
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