sydsunkae14m
23.11.2020 •
Chemistry
A scientist conducts a chemical reaction. At the beginning of the reaction, she combines 5.4 grams of the first reactant and 6.3 grams of the second reactant. She runs the reaction in a closed chamber and heats only the reaction. A small amount of gas is produced. What can you conclude about the total mass of the substances present when the reaction is complete?
A. The mass is greater than 11.7 grams because heat adds additional mass.
B. The mass is greater than 11.7 grams because a new product was made.
C. The mass equals 11.7 grams because the system is closed.
D. The mass is less than 11.7 grams because a gas was produced.
Solved
Show answers
More tips
- S Sport How to Build Arm Muscles? Effective Exercises and Tips...
- H Health and Medicine When can it be said that a person has a normal pulse?...
- A Art and Culture When Will Eurovision 2011 Take Place?...
- S Style and Beauty How to Choose the Perfect Hair Straightener?...
- F Family and Home Why Having Pets at Home is Good for Your Health...
- H Health and Medicine How to perform artificial respiration?...
- H Health and Medicine 10 Tips for Avoiding Vitamin Deficiency...
- F Food and Cooking How to Properly Cook Buckwheat?...
- F Food and Cooking How Many Grams Are In a Tablespoon?...
- L Leisure and Entertainment Carving: History and Techniques for Creating Vegetable and Fruit Decorations...
Answers on questions: Chemistry
- C Chemistry Answer questions 1 and 2 to be marked as Brainliest ...
- C Chemistry HELP ABOUT GLOBAL WARMING...
- C Chemistry Complete the passage to describe the genetic code. Organisms have a code found in nucleic acids that stores and transmits genetic information. This code is called the genetic code....
- C Chemistry Pick the odd one out? Ethanol Hexane Oil Carbon tetrachloride...
- C Chemistry Find the specific heat of a material if 6.0 gram sample absorbs 50 J when 10 points it is heated from 30 °C to 50 °C? * A).4 J/g °C B).2 J/g °C C).1 J/gºC D).5 J/g °C...
- C Chemistry What role does wind play in mechanical weathering?...
- C Chemistry A mystery element contains 11 electrons. Which group of the periodic table will it belong to?...
- C Chemistry BRAINLIEST ASAP! I NEED HELP PLEASE.. The equation for density is d = mass/volume . Mass and volume are extensive properties. Is density intensive or extensive? Explain your choice....
- C Chemistry The gases listed are at standard temperature and pressure: · 1 mol of CO2 gas · 1 mol of N2 gas · 2 mol of O2 gas Which statement is correct?...
- C Chemistry If a substance has a half life of 5 years , then how much of the initial sample remains after 15 years...
Ответ:
thank you !! <3
.
.
.
.
.
.
.
Ответ:
the answer is C maybe..
i not sure