DiamondW8526
20.02.2021 •
Chemistry
Bonjour,
j'ai un exercice mais je ne comprends pas, pourriez-vous m'aider stp.
la réaction entre la craie et l'acide chlorhydrique produit un gaz. Avant réaction,on réalise la pesée schématisée ci-contre.
a:312g b:306g c:302g
sachant que l'acide chlorhydrique et le calcaire pèse 306g
Parmi les trois schémas, quel est celui qui représente correctement ce que l'on observe après avoir introduit le calcaire dans l'acide?
Solved
Show answers
More tips
- C Construction and repair How to Choose the Best Underfloor Heating?...
- C Computers and Internet How to Get Rid of Windows Genuine Check?...
- C Computers and Internet War of Social Media: Which Platform is the Leader?...
- H Health and Medicine How to Treat the Flu: A Comprehensive Guide...
- O Other What is a Disk Emulsifier and How Does it Work?...
- F Family and Home What does a newborn need?...
- F Family and Home Choosing the Right Car Seat for Your Child: Tips and Recommendations...
- F Food and Cooking How to Get Reconfirmation of Registration?...
- C Computers and Internet How to Get Rid of Spam in ICQ?...
- A Art and Culture Who Said The Less We Love a Woman, the More She Likes Us ?...
Answers on questions: Chemistry
- C Chemistry 2. A golden-colored cube is handed to you. The person wants you to buy it for $100, saying that it s a gold nugget. You pull out your old geology text and look up gold in the mineral...
- C Chemistry 3. All the water found on Earth s surface, below ground, and as a liquid in the atmosphere makes up the...
- C Chemistry Write in standard notation 6.078 x 10 expo 3...
- C Chemistry Which event led to formation of our solar systems...
- C Chemistry Which contains carbon? salt lipid phosphorus water...
- C Chemistry Disposal of radioactive waste is a major concern in nuclear power production. which method of disposal is least dangerous? distributing nuclear waste in small quantities in many locations...
- C Chemistry When looking up at the clouds, you can usually make out different shapes and figures with cumulus clouds stratus clouds cirrus clouds altostratus clouds desert climates can have very...
- C Computers and Technology Create an application that writes a series of random numbers to a file. each random number should be in the range of 1 through 100. the application should let the user specify how...
- B Business Which of the following statements highlights the difference between the cpi (consumer price index) and the gdp deflator? (a)-the cpi measures the average prices of retail goods and...
- B Business A15-year bond has an annual coupon rate of 8%. the coupon rate will remain fixed until the bond matures. the bond has a yield to maturity of 6%. which of the following statements is...
Ответ: