Questions tagged 'Water'
23 questions
Feb 19, 2025
Why does ice stay at the top of oceans instead of sinking to the bottom?
Why does ice float on the surface of oceans instead of sinking to the bottom? Ice is less dense than liquid water because the molecular structure of ice causes the molecules to be arranged in a way th...
Find q when 22.0 g of water is heated from 39 degrees Celsius to 100 degrees Celsius?
What is the amount of heat energy (q) required to heat 22.0 grams of water from 39 degrees Celsius to 100 degrees Celsius? Please provide the answer in Joules.
Under which conditions will sugar most likely dissolve fastest in a cup of water?
What conditions contribute to the fastest dissolution of sugar in a cup of water?
What is the heat capacity of the unknown substance?
A 2.49 g sample of a substance, suspected to be pure gold, is heated to 72.7 °C and then submerged in 15.2 g of water, which initially has a temperature of 24.0 °C. The final temperature of the mixtur...
Jan 17, 2025
What results if water is heated and and highly pressured underground
What happens when water is heated and subjected to high pressure underground?
Which of the following is insoluble in water at 25 degrees c?
Which of the following compounds is insoluble in water at 25 degrees Celsius? The choices are: a. Na2S b. Mg3(PO4)2 c. Ca(OH)2 d. Ba(C2H3O2)2 e. (NH4)2CO3
What is the importance of water in a living organism?
What is the importance of water in living organisms? Can you provide insights into its roles in biological processes and overall health? Thank you!
What would 50 ounces of water be equivalent to?
What is the equivalent of 50 ounces of water in more familiar terms? For example, how many tall glasses of water would that be, or how many cups? I would appreciate any easy-to-understand comparisons....
Dec 27, 2024
Is KNO3 soluble in water?
Is KNO3 soluble in water? Additionally, is it soluble in CCl4 and alcohol? I believe KNO3 is nonpolar, but that's all I know. Thank you for your help!
Molecular formula for sucrose dissolving into water?
What is the molecular formula for the reaction of sucrose dissolving in water? The chemical equation can be represented as C11H22O11 + H2O → ?