2,220 Answered Questions for the topic organic chemistry

Organic Chemistry Math Chemistry

09/09/19

1997 British jet powered car thrust SSC set land speed record 1227.99 km/hr A. what was the car speed in miles per hr B. Whats the cars speed in feet per secnd round answer nearest foot pr second

Please help provide help if been on it for a hour
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Organic Chemistry Biochemistry Natural Chemistry

09/09/19

Specific heat for Chemistry

A 121 g piece of metal is heated to 282 degree Celsius and dropped into a 85.0 gram of water at 26.0 degree Celsius. If the final temperature of water and metal is 58.4 degree Celsius, what is the... more
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Organic Chemistry Math Chemistry

09/08/19

The density of copper is 8.92 g/cm cubed A.what is the mass of 25.0 cm cubed of copper B.what is the volume of 454 g of copper

its 2 questions from my chemistry I spent so long trying to figure out and do the work and is still confused please help and can you provide the work bc idk how to set it up
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Organic Chemistry Chemistry

09/08/19

chemistry problems are confusing!!! please i need to understand this and how to do the steps too!
An unknown metal is thought to be aluminum. When 25.4 j of heat are added to 22.5 g of the metal, its temperature rises by 4.8 c. is the metal aluminum?TableSubstance Specific Heat Capacity ( J/... more
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Organic Chemistry Chemistry Problems

09/05/19

chemistry chemistry
The specific heat of a certain type of cooking oil is 1.75 cal/(g ·°C). How much heat energy is needed to raise the temperature of 2.56 kg  of this oil from  23 C to 191 C? 
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Organic Chemistry Chemistry

09/05/19

Need help to do this understand the steps too please

An adult female who weighs 164 lb  consumes on average 3.210 x 10^3  . If she wants to lose  30.0 in 499 days, what should her daily caloric intake (Calories per day) be to achieve this weight loss?
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Organic Chemistry Biology Chemistry Biochemistry

09/04/19

How much of each do we add? - DNA Extraction Buffer
We are given: 50 mls of DNA extraction buffer2% SDS,   100mM tris pH 8,     10mM EDTA,    and proteinase K [1 ug/ml] How much of each do we add?
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Organic Chemistry Chemistry

09/04/19

Can someone please show me how to solve these? Thanks!
1.) A 14.3-cm3 sample of tin has a mass of 0.100kgdensity= _____g/mL2.) a bottle of acetone contains 55.0ml of acetone with a mass of 43.3g density=_______g/ml
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Organic Chemistry Chemistry

09/04/19

I am having a really hard time with these equation. Any help is appreciated!

1-Blueberry high-fiber muffins contain 54% dietary fiber by mass. If a package with a net weight of 15 oz contains six muffins, how many grams of fiber are in each muffin?Express your answer to two... more
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Organic Chemistry

09/04/19

How much heat is required to evaporate 2.5 kg of water at room temperature

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Organic Chemistry Chemistry Biochemistry Mcat

08/30/19

What is the mechanism behind “acquired” alcohol tolerance?
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Organic Chemistry Chemistry Biochemistry

08/27/19

What is the best way to go about solving chemistry problems?
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Organic Chemistry Chemistry

08/22/19

substances' physical state
in a chemical equation if a compound state is not given how am i supposed to determine it?i know the solubility rules but what about solid, liquid, and gas states?
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Organic Chemistry Chemistry

08/21/19

How does pH affect nutrient availability in water?

I have read that in acidic water, aluminum and iron are more readily available nutrients for fish/plants while calcium and magnesium are less available. In alkaline water this is reversed. Why is... more
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Organic Chemistry Chemistry Mcat Teas

07/28/19

What is the hydridization and geometry of CH4?
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Organic Chemistry Chemistry Biochemistry Mcat

07/28/19

According to Valence Bond Theory, what constitutes a triple bond?
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Organic Chemistry

07/25/19

The percent mass per volume, % (m/v), of a dextrose solution containing 6.50 g of dextrose in 225 mL of solution. What is the percent mass per volume concentration?

the mass is not technically the same as weight, but the abbreviation % (w/v) is often used interchangeably with % (m/v).
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Organic Chemistry

07/25/19

How many grams of solute are present in 605 mL of 0.320 M KBr?

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Organic Chemistry

07/22/19

Hypothesize some situations where it would be necessary for signal transduction to happen very rapidly, as happens after the activation of either a kinase cascade or a second-messenger pathway?
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Organic Chemistry Microbiology

07/19/19

gastric juice have a ph of 1 or 2. this would indicate which of the following?
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Organic Chemistry Carbocation

07/17/19

Why are tertiary carbocations the most reactive, if they're already stable?
This may seem silly, but doesn't it seem weird for a compound that's stable (in this context, the tertiary carbocation) to be the most reactive? I mean, wouldn't it be the least, given that it's... more
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Organic Chemistry Solubility Melting Point

07/17/19

Why is the melting point of p-dichlorobenzene higher than those of o-dichlorobenzene and m-dichlorobenzene?
I was going through alkyl and aryl halides and noted the following statement in my textbook: > _p_-dichlorobenzene has higher melting point and solubility than those of _o_-dichlorobenzene and... more
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Organic Chemistry Reaction Mechanism

07/17/19

What is the role of sulfuric acid and mercury(II) sulfate in the oxymercuration of alkynes?
I have a homework problem where I'm given a terminal alkyne. The goal of the problem is to choose the reagent that will result in a particular ketone. Here's a really general view of the reaction... more
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Organic Chemistry

07/17/19

Does resorcinol give positive iodoform test?
It's given in my book that other than the usual compounds that answer iodoform test, resorcinol (benzene-1,3-diol) also gives positive iodoform test. Is this because of tautomerization which gives... more
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Organic Chemistry Bond Covalent Compounds

07/17/19

Why can't carbon form an ionic bond?
1. My textbook says that a $\\ce{C^{4+}}$ cation cannot be formed because it requires a lot of energy to remove 4 electrons. Formation of ionic bonds involve "removing" electrons and there seems to... more
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