Questions tagged 'Water'
23 questions
Dec 22, 2024
how much does a 5 gallon bottle of bottled water weigh?
What is the weight of a 5-gallon bottle of water? Thank you!
What’s the lewis structure for 2H2O?
What is the Lewis structure for water (H₂O), and what is the percent composition of the reaction 2H₂ + O₂ → 2H₂O?
An empty erlenmeyer flask weighs 241.3 g. when filled with water (d = 1.00 g/cm3), the flask and its contents weigh 489.1 g. what
An empty Erlenmeyer flask weighs 241.3 g. When filled with water (density = 1.00 g/cm³), the combined weight of the flask and its contents is 489.1 g. What is the volume of the flask? Additionally, ho...
At what temperature did water freeze on earth 1 billion years ago
At what temperature did water freeze on Earth one billion years ago? The answer is 0°C.
Dec 11, 2024
Which property or water is likely the most significant in water’s role as a universal solvent?
Which property of water is likely the most significant in its role as a universal solvent? a. Water can exist in three states of matter. b. Water molecules have covalent bonds. c. Water contains oxyge...
Which statement describes a chemical property of water?
Which statement accurately describes a chemical property of water? Consider the following options: It reacts with sodium metal. It has a melting point of 0°C. It has a density of approximately 1 g/mL....
Water can be heated above its boiling point without boiling. What is this process called?
Water can be heated to a temperature above its boiling point without actually boiling. What is the term for this phenomenon? A. Superheating B. Vaporization C. Melting D. Condensation E. Supercooling...
When 10.00 g of phosphorus is burned in o2(g) to form p4o10(s), enough heat is generated to raise the temperature of 2990 g of water
When 10.00 g of phosphorus is burned in O₂(g) to form P₄O₁₀(s), it generates enough heat to raise the temperature of 2990 g of water from 18.0 °C to 38.0 °C. Part A: Calculate the heat of formation of...
Nov 25, 2024
What is the solubility of NaCl, AgNO3, NaNO3, and AgCl in water?
I would like to inquire about the solubility of the following compounds in water: NaCl, AgNO3, NaNO3, and AgCl. Specifically, I need to know the solubility of each compound and would appreciate an onl...
Water has a mass per mole of 18.0 g/mol, and each water molecule (H2O) has 10 electrons.?
A. How many electrons are present in 3 liters of water? (Note: 1 liter equals 1.00 × 10⁻³ m³). B. What is the net charge of all these electrons?