Which of the following are correct statements about reactions?
Check all that apply.
A....
Which of the following are correct statements about reactions?
Check all that apply.
A. If a reaction happens, it will be very fast.
B. During a reaction, a catalyst is always used up along with the
reactants.
C. A catalyst could decrease the activation energy of a reaction.
D. Some reactions can occur more slowly than others.
Answers: 1
Chemistry, 21.06.2019 16:00, 20heldmadison
Which statement describes the appearance of a temperature-vs.-time graph? a horizontal line shows that the temperature increases at a constant rate over time. a vertical line shows that the temperature decreases at a constant rate over time. horizontal lines where the temperature is constant during phase changes connect upward-sloping lines where the temperature increases. horizontal lines where the temperature increases are connected by upward-sloping lines where the temperature is constant for each phase.
Answers: 1
Chemistry, 22.06.2019 04:00, nothingworksoutforme
The image shows a process that releases nuclear energy which statement best identifies the process shown the process must be fusion because energy is released the process must be fusion because of have your nucleus formed a smaller nuclei the process must be fission because a large nucleus breaks into smaller nuclei the process must be fission because neutrons are formed
Answers: 1
Chemistry, 22.06.2019 13:50, amandamac7339
Abeaker with 2.00×102 ml of an acetic acid buffer with a ph of 5.000 is sitting on a benchtop. the total molarity of acid and conjugate base in this buffer is 0.100 m. a student adds 4.70 ml of a 0.360 m hcl solution to the beaker. how much will the ph change? the pka of acetic acid is 4.740.
Answers: 1
Chemistry, 22.06.2019 14:30, cxttiemsp021
Calculate the mass of carbon in 97.0 g of sucrose c12h22o11
Answers: 3
Mathematics, 23.05.2020 01:03
Mathematics, 23.05.2020 01:03
Mathematics, 23.05.2020 01:03
Mathematics, 23.05.2020 01:03