angiecol2003 angiecol2003

21-10-2020
Chemistry

contestada

Students want to gather evidence for the claim that the number of atoms present before a chemical reaction is equal to the number of atoms present after the chemical reaction. They decide to react vinegar and baking soda in a sealed plastic bag. Which of the following would provide evidence the students need

Respuesta :

wrennlyyasia wrennlyyasia

21-10-2020

Answer:

The mass of the plastic bag, baking soda, and vinegar before the reaction was equal to the mass after the reaction.

Explanation:

Answer Link

Otras preguntas

Sophie Ruth is eating a 505050-gram chocolate bar which contains 30\%30%30, percent cocoa.

An 8.0 kg object starts from rest and is pushed with a horizontal 24.N force for 10. s on a surface with negligible friction. Then the applied force is removed

Which direction is London from Rome ?

An 8.0 kg object starts from rest and is pushed with a horizontal 24.N force for 10. s on a surface with negligible friction. Then the applied force is removed

In a recent survey of 1002 people, 701 said that they voted in a recent presidential election. Voting records show that 61% of eligible voters actually did vote

An urn contains 6 red balls, 8 green balls, and 10 white balls. If balls are selected one by one (without replacing them after they are selected) what is the pr

Briefly explain the effects of migration in various areas?fast plz I will mark the brainleast if I got correct answers !

Joan's mom and dad believe that parents know best. They expect Joan to obey all parental rules without uttering a word, and they are quick to impose stern punis

Diamond and Turf Inc. is considering an investment in one of two machines. The sewing machine will increase productivity from sewing 130 baseballs per hour to s

2. The researchers in the film spent a month collecting and identifying various species of animals and plants. These species were then added to a database of al