Physics, 25.02.2021 22:30, ellisc7044
A student is using different colored beads to represent different elements to model the following chemical reaction:
Na2S + HCl β NaCl + H2S
image
A student noticed that an equation is unbalanced. After balancing the equation, how many white beads does the student need on the product side to show that mass is conserved after the reaction?
A.
4
B.
2
C.
3
D.
5
Answers: 1
Physics, 21.06.2019 17:00, cxttiemsp021
Which of the following is considered to be a vector? a. temperature b. velocity c. time d. mass
Answers: 1
Physics, 22.06.2019 06:00, ayoismeisalex
Imagine that someone pushes one marble toward a motionless marble. would there still be action-reaction forces involved in the collision? how might the marblesβ motions be changed? ?
Answers: 1
A student is using different colored beads to represent different elements to model the following ch...
Geography, 11.11.2020 21:00
Mathematics, 11.11.2020 21:00
English, 11.11.2020 21:00
Mathematics, 11.11.2020 21:00
Mathematics, 11.11.2020 21:00
Biology, 11.11.2020 21:00