1,698 Answered Questions for the topic biochemistry

Biochemistry

06/12/21

What is the importance of phosphate buffer system in maintaining urinary pH.

Biochemistry

06/12/21

How many ATP product of beta oxidation of palmitic acid

Biochemistry Science Biology Chemistry

06/09/21

4. As concentration increases, what happens to the number of ions in the solution? URGENT CHEMISTRY QUESTION

please help me with this chemistry concept and question.
Biochemistry Science Biology Chemistry

06/09/21

6. Explain to someone in 3-4 steps how to use pH paper to determine the pH of a substance:   Step 1 – Step 2- Step 3-

help me with this chemistry question
Biochemistry Science Biology Chemistry

06/09/21

How does the concentration of ions in a strong base differ from a weak base? CHEMISTRY URGENT

please help me explain this chemistry concept
Biochemistry Science Biology Chemistry

06/09/21

Which ions are most abundant in water? - Chemistry URGENT  

Please help me explain this chemistry question.

06/05/21

How to name a fatty acid according to their degree of unsaturation and delta nomenclature?

can someone give me an example... im so confusedlike in the case of lauric and linoleic acid. hoping someone can help me

06/04/21

Hello please help me I need help today with my chemistry homework and i am on the verge of tears please help me.

1.) S   + 6 HNO3 --> H2SO4 + 6 NO2 + 2 H2OIn the above equation how many moles of water can be made when 163.6 grams of HNO3 are consumed?Round your answer to the nearest tenth. If you answer is... more

06/04/21

I need to finish this in the next hour. Please someone help me with my chemistry homework as soon as possible please

1.) S   + 6 HNO3 --> H2SO4 + 6 NO2 + 2 H2OIn the above equation how many moles of water can be made when 163.6 grams of HNO3 are consumed?Round your answer to the nearest tenth. If you answer is... more

06/04/21

Please I have waited two weeks to receive help. Please help me with my science homework. Plesse

1.) S   + 6 HNO3 --> H2SO4 + 6 NO2 + 2 H2OIn the above equation how many moles of water can be made when 163.6 grams of HNO3 are consumed?Round your answer to the nearest tenth. If you answer is... more
Biochemistry Science Biology Chemistry

06/04/21

atoms to grams of calcium

How many atoms of calcium are in 3456 grams of calcium? a) 5.19e25b) 2.30e-19c) 8.34e28d) 1.43e-22
Biochemistry Science Biology Chemistry

06/04/21

please if anyone can help

Select the missing reactant for the following combustion reaction2 _______________ + 15 O2 ---> 14 CO2 + 6 H2OGroup of answer choices
Biochemistry Science Biology Chemistry

06/04/21

science problem

How many grams of excess reactant is left over when 60 grams of NaCl reacts with 55 grams of Pb(NO3)2?A) 40 g B) 60 g C) 50 g D) 30 g
Biochemistry Science Biology Chemistry

06/04/21

CHEMISRY problem I really need help :)

Which of the following will not conduct electricity when dissolved in water: NaCl, NaOH, HCl, C6H12O6A) C6H12O6B) NaCIC) NaOHD) HCI
Biochemistry Science Biology Chemistry

06/04/21

Balance the equation

Balance the equation___C3H8 + ____O2 --->___ CO2 + ____H2O
Biochemistry Science Biology Chemistry

06/04/21

Chemistry question any help would be appreciated :)

C2H4 + 3 O2 ----> 2 CO2 + 2 H2OIf you start with 45 grams of ethylene (C2H4), how many grams of carbon dioxide will be produced?Group of answer choicesA) 141.4 g CO2B) 178.9 g CO2C) 78.6 g CO2D)... more
Biochemistry Science Biology Chemistry

06/04/21

question for chemistry

Mg + 2 HNO3 ---> Mg(NO3)2 + H2If I start this reaction with 40.0 grams of magnesium and an excess of nitric acid (HNO3), how many grams of hydrogen gas will I produce? A) 3.3g H2B) 4.5 g H2C)... more

06/03/21

Hello. Please help me it’s down to the wire and I need immediate help with chemistry homework as soon as possible please

S   + 6 HNO3 --> H2SO4 + 6 NO2 + 2 H2OIn the above equation how many moles of water can be made when 110.4 grams of HNO3 are consumed?Round your answer to the nearest tenth. If you answer is a... more

06/03/21

Please you don’t understand what I mean when I say I need help please help me with chemistry please I am so desperate

S   + 6 HNO3 --> H2SO4 + 6 NO2 + 2 H2OIn the above equation how many moles of water can be made when 110.4 grams of HNO3 are consumed?Round your answer to the nearest tenth. If you answer is a... more

06/03/21

Hello. It may not seem like it but I am under pressure and need so much help with my chemistry as soon as possible please please please ok please please please please

1.) 2 NH3 + 3 CuO --> 3 Cu + N2 + 3 H2OIn the above equation how many moles of N2 can be made when 165.7 grams of CuO are consumed?Round your answer to the nearest tenth. If you answer is a... more

06/03/21

Please hear me out. I need help with my chemistry homework fast because my school is almost over and I don’t know what I can do. Please help me with my chemistry homework as soon as possible

1.) For the reaction C + 2H2 → CH4, how many moles of hydrogen are needed to make 153.2 grams of methane, CH4 ?Round your answer to the nearest tenth. If you answer is a whole number like 4, report... more

06/03/21

Hi I need so much help before the school ends and I am crying I am so confused and stressed please help me with my chemistry homework

1.) 2 NH3 + 3 CuO --> 3 Cu + N2 + 3 H2OIn the above equation how many moles of N2 can be made when 157.4 grams of CuO are consumed?Round your answer to the nearest tenth. If you answer is a... more

06/03/21

I need help please if you only you hear my voice youd know how incredibly desperate I am please help me with my Chemistry homework as soon as possible please

1.) S   + 6 HNO3 --> H2SO4 + 6 NO2 + 2 H2OIn the above equation how many moles of water can be made when 163.6 grams of HNO3 are consumed?Round your answer to the nearest tenth. If you answer is... more

06/03/21

Hello so I am under a lot of stress and pressure. Please help me with my chemistry homework quickly please I am on the verge of crying

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?Sodium chlorate decomposes into sodium chloride and... more

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