1,518 Answered Questions for the topic computer science

Computer Science Science Chemistry Biochemistry

05/03/21

All tutors have completely ignored me please correctly help me with chemistry homework as soon as possible please

S   + 6 HNO3 → H2SO4 + 6 NO2 + 2 H2OIn the above equation, how many grams of water can be made when 4.4 moles of HNO3 are consumed?Round your answer to the nearest tenth. If you answer is a whole... more
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Computer Science Science Chemistry Biochemistry

05/03/21

hello please respond I desperately need help with my chemistry homework as soon as possible please

1.) For the reaction C + 2H2 → CH4, how many grams of hydrogen are required to produce 17 moles of methane, CH4 ?Round your answer to the nearest tenth. If you answer is a whole number like 4,... more
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Computer Science Science Chemistry Biochemistry

05/02/21

i need immediate help with chemistry homework quickly please because no has actually helped me
2 NH3 + 3 CuO → 3 Cu + N2 + 3 H2OIn the above equation, how many grams of N2 can be made when 18 moles of CuO are consumed?Round your answer to the nearest tenth. If you answer is a whole number... more
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Computer Science Science Chemistry Biochemistry

05/02/21

I need so much(actual)help with my chemistry homework as soon as possible please

1.) S   + 6 HNO3 → H2SO4 + 6 NO2 + 2 H2OIn the above equation, how many grams of water can be made when 4.4 moles of HNO3 are consumed?Round your answer to the nearest tenth. If you answer is a... more
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Computer Science Science Chemistry Biochemistry

05/02/21

Please understand that I have been ignored by almost every tutor please help me with my chemistry homework please
1.) Use the following molar masses. If you do not use these masses, the computer will mark your answer incorrect.: Element Molar Mass Hydrogen 1 Nitrogen 14 Copper 63.5 Oxygen 16  2.) 2... more
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Computer Science Science Chemistry Biochemistry

05/02/21

hello tutors have incorrectly helped me with chemistry homework question. Please someone help me correctly as soon as possible please

1.) For the reaction C + 2H2 → CH4, how many grams of hydrogen are required to produce 17 moles of methane, CH4 ?Round your answer to the nearest tenth. If you answer is a whole number like 4,... more
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Expert Answers •1
Computer Science Science Chemistry Biochemistry

05/02/21

Hello I have been ignored by tutors please actually help me with my chemistry homework
1.) S   + 6 HNO3 → H2SO4 + 6 NO2 + 2 H2OIn the above equation, how many grams of water can be made when 17.7 moles of HNO3 are consumed?Round your answer to the nearest tenth. If you answer is a... more
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05/02/21

Show that B is the inverse of A.
A = -1/2 -5/4 B = 8 51 2 -4 -2To show that B is the inverse of A, we need to show that AB = I = BA.AB = -4 + ___ -5/2 + ___ = ____ ____ 8 + ___ 5 + ___ ____ ____BA = -4 +... more
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04/30/21

Hi please help me with my homework as soon as possible please I have received no help whatsoever and I am so stressed please help me pleadr
3 Cu + 8HNO3 → 3 Cu(NO3)2  + 2 NO + 4 H2OIn the above equation, how many grams of water can be made when 13.5 moles of HNO3 are consumed? Round your answer to the nearest tenth. If you answer is a... more
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04/30/21

Please someone respond and actually help me with my chemistry homework quickly please

1.) 2 NH3 + 3 CuO → 3 Cu + N2 + 3 H2OIn the above equation, how many grams of N2 can be made when 7.7 moles of CuO are consumed?Round your answer to the nearest tenth. If you answer is a whole... more
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Computer Science Algebra 1 Algebra 2 Sat Math

04/30/21

Context Inequality
London is working two summer jobs, making $7 per hour babysitting and making $13 per hour landscaping. In a given week, she can work no more than 14 total hours and must earn at least $130. Also,... more
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04/30/21

Interpret Linear Function
When Riley left her house in the morning, her cell phone battery was partially charged. The charge remaining in Riley's battery, as a percentage, can be modeled by the equation B=40−5t where t is... more
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04/30/21

Hi many tutors have ignored my question but please help me with my chemistry homework as soon as possible please because no one has helped me
3 Cu + 8HNO3 → 3 Cu(NO3)2  + 2 NO + 4 H2OIn the above equation, how many grams of water can be made when 13.5 moles of HNO3 are consumed? Round your answer to the nearest tenth. If you answer is a... more
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04/30/21

I know that it is easy to bypass a question but please think about how I actually need real help desperately with my chemistry homework as soon as possible please
1.) 2 NH3 + 3 CuO → 3 Cu + N2 + 3 H2OIn the above equation, how many grams of N2 can be made when 7.7 moles of CuO are consumed?Round your answer to the nearest tenth. If you answer is a whole... more
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Computer Science Computer Programming Pfsense

04/30/21

How to provide internet connection to Virtual Box?
I need help providing internet connection to my Virtual Box for my pfsense for Ubuntu. I do not know how do this at all going through step by step would be helpful. I need the internet... more
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04/30/21

Show that B is the inverse of A.
A = -1/2 -5/4 B = 8 5 1 2 -4 -2To show that B is the inverse of A, we need to show that AB = I = BA.AB = -4 + ___ -5/2 + ___ ... more
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Computer Science Math Calculus Precalculus

04/30/21

Use the matrix capabilities of a graphing utility to solve (if possible) the system of linear equations. (Round your answers to two decimal places. If there is no solution, enter NO SOLUTION.
2x + 5y+ w= 15x + 4y + 2z - 2w= -72x - 2y + 5z + w = 2x - 3w = -1(x, y, z, w) = ______
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Computer Science Math Calculus Precalculus

04/30/21

Use an inverse matrix to solve (if possible) the system of linear equations. (If there is no solution, enter NO SOLUTION. If the system is dependent, set y = a and solve for x in terms of a.)
5/6x - y = -184/3x - 7/2y = -44(x,y) = _____
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04/30/21

Please help me because I have needed help with my chemistry homework for many hours

3 Cu + 8HNO3 → 3 Cu(NO3)2  + 2 NO + 4 H2OIn the above equation, how many grams of water can be made when 13.5 moles of HNO3 are consumed? Round your answer to the nearest tenth. If you answer is a... more
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Expert Answers •1

04/30/21

I know that it is easy to bypass a question but please think about how I need help desperately with my chemistry homework as soon as possible please
1.) 2 NH3 + 3 CuO → 3 Cu + N2 + 3 H2OIn the above equation, how many grams of N2 can be made when 7.7 moles of CuO are consumed?Round your answer to the nearest tenth. If you answer is a whole... more
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04/29/21

Is an MIS an organized collection of people procedures software database and devices used to help make decisions that solves problems. True or False.
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Computer Science

04/28/21

 Generate a decision table to determine whether a password is valid using the following problem description:
The following are the requirements of a password for an Internet banking site.The length of the password should be between 6 and 8 charactersThe password should not be the same as previous 3... more
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04/27/21

industrial control system
We have an AC Motor. It will be run as an arranged. We also have one start button an done stop button. When we press the start button once, following events will occur. During the running of the... more
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04/27/21

All To Upper. Read a string from cin into word and modify it so that it has all uppercase letters.
Read a string from cin into word and modify it so that it has all uppercase letters.Samples: Input: hello Output: HELLO Input: h3Llo Output: H3LLO Hints: You can only change the code in the... more
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04/27/21

Count E's. Read in a string, print out the number of e's in it.
Read in a string, print out the number of e's in it. Note that the string may have spaces in it. A call to getline looks like getline(cin, myVariable) where myVariable is a string variable that... more
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