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Questions (12)
10. Calorimeters are used to measure bond energy by providing
A. an open system, where matter and heat can be exchanged with the
1 answer
174 views
Enzymes are found in the human body as a _____ for organic reactions that would otherwise be too slow.
A. collider B. key C.
1 answer
162 views
According to collision theory, what needs to happen for a reaction to take place?
A. particles need to be in the same phase B.
1 answer
145 views
please kindly help me to correct the usage in english grammar.
1. Teacher: So what do you know __about___ prepositions? From At
1 answer
766 views
Please kindly help me to correct the usage in the sentence below.
1. Teacher: Can you explain to me when you _learn____ the Past
1 answer
726 views
If you have swam one lap in a swimming pool, that means you have swam from one end to the other and back. In 2.5 h, a swimmer
1 answer
3,440 views
Jack was 10 years older then Priscilla together their ages totaled 170 years what were there ages?
1 answer
2,628 views
For each expression in column I, choose the expression from column II to complete an identity:
Column I Column II 1. -tanxcosx A.
0 answers
1,208 views
Heterogenous equilibrium of ammonium
bisulfide. Ammonium bisulfide NH4HS forms ammonia NH3 and hydrogen sulfide H2S through the
1 answer
1,220 views
I tried using the answer you provided but the online system I am using is not taking this as a correct answer. This is the
2 answers
736 views
Write the equation for the dissolution of AgCL(s) in H20(I).Express your answer as a chemical equation. Identify all of the
4 answers
3,258 views
what is the numerical value of the equilibrium constant Kgoal for the reaction CO2(g) C(s) +O2(g)
1 answer
636 views
Answers (5)
What is the total time the golf ball was in the air? A. 4.69 s B. 7.69 s C. 8.38 s D. 9.38 s What is the horizontal displacement of the golf ball? A. 341.79 m B. 351.79m C. 361.79 m D. 371.79 m How far did the golf ball reach? A. 105.77 m B. 107.77 m C.
it depends on the percent weight of the final exam. (e.g. 40% of your grade, 35% of your grade, etc.) assuming your grading scheme for a B is around 83%... and assume your final exam is worth 40% of your overall grade and the rest of your grade (83.17%) is
since PH3 has a higher molar mass, it would be expected that it would have a higher BP than NH3, but that's not the case because of hydrogen bonding in NH3 and not in PH3. it occurs when H+ is attracted to lone pairs of atoms like N, O, F in another
no one is exactly sure of how life came to be, but one theory is supported by the miller-urey experiment (research it if you're interested) the theory is about how life came to be from inorganic material on the young earth that was synthesized into organic
C-Thru Graphic Arts Ruler A useful tool for graphic designers, this opaque plastic ruler featuring E-scale, 16ths, picas, points, and agate scales is printed on both sides and laminated for durability. It also includes percentages, halftone screens, and
