123 Answered Questions for the topic Data Science

Data Science Science Biology Chemistry

05/04/21

Many tutors have helped me with this question in chemistry homework incorrectly please someone respond and help me as soon as possible please

1.) 3 Cu + 8HNO3 --> 3 Cu(NO3)2   + 2 NO + 4 H2OIn the above equation how many moles of water can be made when 25 moles of HNO3 are consumed?2.) Sodium chlorate decomposes into sodium chloride... more
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Data Science Science Biology Chemistry

05/03/21

Hello I have been needed help for days with my chemistry homework. Would someone kindly help me as soon as possible please

Sodium chlorate decomposes into sodium chloride and oxygen gas as seen in the equation below.  ­­2NaClO3­ --> 2NaCl +3O2 How many moles of NaCl were produced by 7 moles of NaClO3­? Round your... more
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Data Science Science Biology Chemistry

05/03/21

I am in desperate need of help with my chemistry homework as soon as possible please because I have been ignored by many tutors for hours
1.) 2 NH3 + 3 CuO g 3 Cu + N2 + 3 H2OIn the above equation how many moles of N2 can be made when 13 moles of CuO are consumed? 2.) Sodium chlorate decomposes into sodium chloride and oxygen gas as... more
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Data Science Science Biology Chemistry

05/03/21

I need so much help with my chemistry homework because I have been stuck for days please help me as soon as possible please

1.) 3 Cu + 8HNO3 --> 3 Cu(NO3)2   + 2 NO + 4 H2OIn the above equation how many moles of water can be made when 25 moles of HNO3 are consumed?2.) Sodium chlorate decomposes into sodium chloride... more
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05/03/21

Hola please understand that I have needed help with my homework for weeks please someone actually respond and help me

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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05/03/21

Hi so no tutors have helped me at all I need so much help. I have needed help for many hours with my chemistry homework please help me 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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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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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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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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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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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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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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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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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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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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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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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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04/23/21

Inequalities in Context
A group of friends wants to go to the amusement park. They have no more than $400 to spend on parking and admission. Parking is $17.75, and tickets cost $31 per person, including tax. Which... more
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04/13/21

HELP! I need help solving these chemistry questions before midnight! Please and thank you!
a.A sealed container of an unknown gas has a volume of 2.5 L and a pressure of 5 atm at 25​o​C.How much gas is in the container?b.If the mass of the gas in the container is 40.5 g, what is the... more
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Data Science Science Chemistry Physics

04/13/21

I need help before midnight! Please and thank you!
What ​mass​ of chlorine gas is contained in a 10.0 L container at 27°C and 3.50 atm of pressure?
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03/25/21

how do I calculate average value of columns of a file in Python?
import pandas as pdmy_file = pd.read_csv("file.tsv", sep="\t")my_file.head()my_file['item_price'].mean()I could easily do this by using Pandas. However how could I do it without using Pandas?... more
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03/25/21

I need so much help with my chemistry homework very soon please por favor
1.) For the reaction C + 2H2 → CH4, how many grams of hydrogen are required to produce 1.6 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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03/25/21

Hola I need much assistance with my homework please 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 11.8 moles of CuO are consumed?Round your answer to the nearest tenth. If you answer is a whole... more
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