Search found 54 matches

by NS_Tutor_Sophia
Thu Nov 29, 2018 3:12 pm
Forum: Questions about Exams
Topic: Review Book Ch. 24 Q9
Replies: 0
Views: 1125

Review Book Ch. 24 Q9

A student recently asked us why (x - 1500) is present on one side of the equation when solving the problem: "Carbon-14 has a half-life of 5700 years. If 1500 g has decayed from a carbon-14 sample over a period of 17,100 years, what was the original mass of the sample?" This is a great question! This...
by NS_Tutor_Sophia
Mon Nov 19, 2018 10:46 am
Forum: Questions about Exams
Topic: General Chemistry QBank Q68
Replies: 0
Views: 1072

General Chemistry QBank Q68

A student recently emailed us to ask why the resulting nucleus would have 4 fewer mass units from the following question: "What element will remain if U-238 undergoes one α, one β+, one β–, and two gamma decays?" This is a great question! Let's determine what happens to the number of protons, number...
by NS_Tutor_Sophia
Fri Nov 16, 2018 3:55 pm
Forum: Questions about Exams
Topic: Diagnostic QR Q7
Replies: 0
Views: 1068

Diagnostic QR Q7

A student recently asked us about the following question: 3/4 of 0.5% is... A. 0.0374 B. 3/800 C. 3/500 D. 0.325% Some questions may express numbers in multiple forms (fraction, decimal, percent), even among the answer choices, as is true for this question! This makes the question more difficult as ...
by NS_Tutor_Sophia
Fri Nov 16, 2018 3:43 pm
Forum: Questions about Exams
Topic: Lesson 2 Quiz Q2
Replies: 0
Views: 1054

Lesson 2 Quiz Q2

A student recently asked us about the three errors found in the sentence: "With antibiotic resistance on the raise, concern over their real risks are at their height." The three errors in this sentence are: raise = this should be replaced with "rise" (vocabulary error) are = this should be replaced ...
by NS_Tutor_Sophia
Tue Nov 13, 2018 8:18 pm
Forum: Questions about Exams
Topic: General Biology QBank Q37
Replies: 0
Views: 1133

General Biology QBank Q37

A student recently emailed us to ask why the net ATP production is not 2 for the following question: "If it costs two ATP molecules to add a single phosphate group to a substrate, but the removal of a phosphate group still only generates one ATP molecule, what would the net ATP production be during ...
by NS_Tutor_Sophia
Mon Oct 22, 2018 9:33 am
Forum: Questions about Exams
Topic: Full Length 2 QR Q13
Replies: 0
Views: 1204

Full Length 2 QR Q13

A student recently asked us why the wages are multiplied by 1.2 or 1.5 to solve the following question: "Elizabeth earns an hourly wage that is 1.25 times Yavuz’s hourly wage. During their annual review, Elizabeth earns a 20% raise while Yavuz earns a 50% raise. What is the ratio of Elizabeth’s new ...
by NS_Tutor_Sophia
Wed Oct 17, 2018 9:23 am
Forum: Questions about Exams
Topic: Diagnostic CP Q38
Replies: 0
Views: 1164

Diagnostic CP Q38

A student recently asked us how to solve the following problem using the half-life equation: "Cobalt-60 has a half-life of 5.2 years. Starting with 32 grams of cobalt-60, how much of the original isotope will remain after 26 years?" The half-life equation is N = N 0 (1/2)^(t/h) where N is the amount...
by NS_Tutor_Sophia
Fri Oct 12, 2018 12:36 pm
Forum: General Discussion
Topic: Pearson PCAT Exams Obtained Separately
Replies: 0
Views: 1296

Pearson PCAT Exams Obtained Separately

A student recently emailed us to ask if the Pearson PCAT Exams scheduled in the study plan generator are included or must be purchased separately. While the study plan generator does allow you to incorporate Pearson PCAT Exams into your study schedule, they are not included with the Next Step PCAT C...
by NS_Tutor_Sophia
Fri Oct 12, 2018 12:30 pm
Forum: General Discussion
Topic: Study Plan Order
Replies: 0
Views: 1173

Study Plan Order

A student recently emailed to ask if the order of the subjects can be rearranged. While it is not possible to drag and drop items in the study plan, it is possible to move assignments a day forward using the double arrow in each box. If you want to complete assignments in a different order by subjec...
by NS_Tutor_Sophia
Thu Oct 11, 2018 9:14 pm
Forum: General Discussion
Topic: Preparing for PCAT Essay Topics
Replies: 0
Views: 1241

Preparing for PCAT Essay Topics

A student recently asked us for advice on writing the PCAT Essay on topics one is less familiar with. This is a great question, and the answer is that PCAT test-takers are not expected to be well-versed in the topics selected for the Writing essay, as content knowledge and outside information is not...