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The actions of an egoistically thinking coach are most likely based on:

Using the data given in the reaction below2Mg + O2 –> 2MgO ∆H= -465 kJ/molcalculate the enthalpy of the following reaction4MgO –> 4Mg + 2O2

What is the concentration(molarity) of 7.30 g of HCl in 1.00 L of water? (Molar mass of HCl = 36.45 g, moles = mass / molar mass)

A 1000 kJ of heat energy is provided to 10 g of each of the following samples at 25 0C. Which of the material shows the highest temperature changeSample​​Specific Heat Capacity J/g0C​ Water​4.184 ​Aluminum​0.897​Iron​0.449​copper​0.385

 It was a very cold night three years ago. It was raining a little bit. (in addition)

Connect the two sentences into a compound or complex sentence with the given conjunction. Write the sentence in the box below. Be careful with punctuation. Give only one answer to each question. Anything more than one will not be graded.For example:Reading is my hobby. I always learn a lot from books. (and)Write in the box below: Reading is my hobby, and I always learn a lot from books.I have seen in many horrible situations on TV. My car accident was my worst experience.(but)

I couldn’t really tell if it was red or green. I got close to it.  (until)

 I was driving down the street. I could see a traffic light in front of me. (while)

Each sentence has one mistake in fragment, run-on, comma splice, verb, noun, or pronoun. Fix the mistake and write the correct sentences in the box below. If you correct in two places, only the first one will be graded.For example:1. After the final exam. I’m going to have a vacation.Answer: 1. After the final exam, I’m going to have a vacation.You can copy and paste all the sentences in the box and then correct them there.  It saves time because you don’t need to type all the sentences. Is rich in Vitamin C.Most of the customers is friendly.There is lots and lots of books in the library.My classmates and I felt relaxed and was able to say anything we wanted to.Doing household chores are a waste of time.We are studying very hard since the beginning of the semester.He going to visit his native country next year.Ate the chocolate cookies for dessert.Because our team won the game. We had a celebration.George a computer at a discount store to save money.Last summer, I went to Italy, it was a wonderful trip.He is overweight he never stops eating.French is a very popular foreign language in American high school, many students choose it.I love my children they make me happy.I will see her in a few weeks, she will come to Chicago.For many students, writing paragraphs are easy.Her jokes makes her students laugh.Anna go shopping yesterday.Every kids wanted to win this competition.All of them gave me a good presents.We read a lot of history book and novels.I love my childhood for several reason.My parents always give me good advices.Every country has their own beauty, but our country’s beauty is unique.Each students should bring his or her own book.Cats are better pets than dogs because it are very clean.Me and my friend came back to our home after shopping.My husband he loves his job.The child can do everything by themselves.Between you and I, we’ll keep the secret.

Which one below is a good topic sentence?