Newest chem Questions | Wyzant Ask An Expert

12/31/19

someone help me.

15.4g of methanol (CH3OH 32.042 g/mol) reacts completely according to the following reaction: CH3OH (g) -----> CH2O(g) + H2(g) if 12.35 g of formaldehyde (30.026 g/mol) is produced, what is... more

Follows • 2

Answers •2

Chem Physics Medicine

12/14/19

Turbulence and Poiseuille's equation

(P3) [8 points] Poiseuille’s equation does not hold if the flow velocity is high enough that turbulence sets in. The onset of turbulence occurs when the so-called Reynolds number Re, exceeds... more

Follows • 1

Answers •1

Chem Chemistry Physics

12/13/19

What is this equation? ρAv = C

Hello,I think this equation has something to do with fluid statics, but can't quite recall. A refresher would be extremely helpful

Follows • 1

Answers •2

Chem Chemistry Ap Chemistry

12/13/19

What mass of carbon is present in 8.02 x 10^23 formula units of Al2(CO3)3?

Follows • 2

Answers •1

Chem Chemistry Frequency Waves

12/09/19

Frequency and waves

WEGT( Hank-FM) operates at a radio frequency of 99.9MHza) what is the wavelength of this radiation (hint:1MHz= 10^6Hz)b) What is the energy of the radio frequency in the problem above in kJ?

Follows • 2

Answers •1

Chem Chemistry

12/07/19

A student has 100.mL of 0.20 M HCl. She takes 5.0 mL of this solution and adds it to 10.0 mL of water. She then takes 3.0 mL of this new solution. What is the concentration of this solution?

Follows • 2

Answers •1

Chem Chemistry Ap Chemistry

12/06/19

How many half-lives occurred if 5.2 x 10^24 atoms of Pb-212 decay into 0.54 miles of Bi-212? Round to nearest whole number.

Follows • 2

Answers •1

Chem Chemistry

12/02/19

Chemistry question

When naming formulas, when do you use the suffixes -ite and -ate?

Follows • 2

Answers •1

Chem Chemistry Acids And Bases

12/01/19

Precipitation Possibilities

Determine if a a precipitate forms when the following 1.00M solutions are mixed. Provide the molecular equation, ionic equation and the net-ionic equation if one forms.a.) Barium Chloride and... more

Follows • 2

Answers •1

Chem Chemistry College Chemistry Chem 101

11/30/19

Figuring out Intermolecular Forces?

I believe the answer for the first question is hydrogen bonding, but I am not sure about the other ones.What is the strongest type of intermolecular force in each of the following... more

Follows • 2

Answers •1

Chem Chemistry College Chemistry Chem 101

11/30/19

Chemistry Resonance Question?

I am a bit confused, and the only one I am pretty sure has resonance is CNS-.Which of the following compounds/ions exhibit resonance? Select "yes" or "no" for each... more

Follows • 2

Answers •1

Chem Chemistry

11/26/19

Question: A mixture of flammable gas containing carbon oxide (carbon (II) oxide) and hydrogen is produced from the reaction of water vapour with hot carbon. Calculate the total volume of carbon... more

Follows • 2

Answers •1

Chem Chemistry Ap Chemistry

11/26/19

For many purposes we can treat ammonia NH3 as an ideal gas at temperatures above its boiling point of -33 degrees celsius.

Suppose the temperature of a sample of ammonia gas is raised from -14.0 °C to 21.0 °C, and at the same time the pressure is changed. If the initial pressure was 6.5 atm and the volume increased by... more

Follows • 1

Answers •1

Chem Chemistry

11/25/19

Can someone help me with the name

Name the following compound: CH3 |CH3-CH-CH=C-CH3 | CH2CH3ive been able to name 3-chlorononyne and 2-chrolobutane, but... more

Follows • 2

Answers •1

Chem Chemistry

11/24/19

Been getting this question wrong don’t know what I’m doing wrong

Draw the structure of 1-ethyl-2,2-dimethylcyclohexane

Follows • 1

Answers •1

Chem Chemistry Ap Chemistry

11/24/19

Consider the following balanced reaction. HCl (aq) + KOH (aq) → H2O (l) + KCl (aq)

In a beaker, 250.0 mL of 0.25 M HCl and 200.0 mL of 0.40 M KOH are mixed. After reaction, is the solution acidic, neutral, or basic? What is the pH of the solution at the end of the... more

Follows • 2

Answers •1

Chem Chemistry Ap Chemistry

11/24/19

Calculate the pH of a 0.0065 M solution of NaOH. Report answer to two decimal places.

Follows • 2

Answers •1

Chem Chemistry

11/24/19

Can someone check my work

Write the two geometric isomers of the alkene having the molecular formula C3H4Cl2.CH2Cl-C=CHCl trans-1,3-dichloroprop-1-eneCH2Cl-C=CHCl cis-1,3-dichloroprop-1-ene

Follows • 2

Answers •1

Chem Chemistry

11/24/19

I just need to know if I'm in the right route

So I need to name and draw the 18 isomers for C8H18 I just need to know I am doing them right so far I haveCH3CH2CH2CH2CH2CH2CH2CH3 OCTANECH3CH2-CH-CH2CH2CH2CH3 | ... more

Follows • 1

Answers •1

Chem Chemistry

11/22/19

Can someone help me I’m stumped

So I’m just missing in naming this four compounds, and I’ve gotten them wrong in all my tries.1- CH3CH2CHCH3 | CH2CH3 CH3 |2-... more

Follows • 2

Answers •1

Chem Chemistry College Chemistry Chem 101

11/21/19

Trigonal Bipyramids? Confused.

Which of the following compounds exhibit trigonal bipyramidal electron geometry? Select true if the molecule exhibits trigonal bipyramidal electron geometry. Otherwise, select false. IF5 SF6 KrCl2... more

Follows • 1

Answers •1

Chem Chemistry

11/19/19

Can someone help me with these

Draw the structural and condensed formulas of "4-Ethyl-2-hexene" and "3-Isobutyl-1, 4-pentadiene"for "4-Ethyl-2-hexene i put for structural formula H H H H H | | | | ... more

Follows • 1

Answers •1

Chem Chemistry Ap Chemistry

11/19/19

A student mixes 20.00 mL of 0.190 M Ca(NO3)2 and 12.00 mL of 0.150 M Na2CO3. What is the limiting reactant? Show your work.

Follows • 2

Answers •1

Chem Chemistry Ap Chemistry

11/19/19

How would your results (percent yield) be affected if you spilled some of your reaction mixture while trying to filter your product? Be specific and give an explanation.

Follows • 2

Answers •1

Chem Chemistry Organic Chemistry

11/19/19

Help can someone check my work

Draw the condensed formulas of 3-hexene and 2-methylbutane3-hexeneCH3CH2CH=CHCH2CH32-methylbutaneCH3|CH3-CH-CH2-CH3 Draw the structural formula of 3-pentyne. What is wrong with this... more

Follows • 2

Answers •1

chem

someone help me.

Turbulence and Poiseuille's equation

What is this equation? ρAv = C

What mass of carbon is present in 8.02 x 10^23 formula units of Al2(CO3)3?

Frequency and waves

A student has 100.mL of 0.20 M HCl. She takes 5.0 mL of this solution and adds it to 10.0 mL of water. She then takes 3.0 mL of this new solution. What is the concentration of this solution?

How many half-lives occurred if 5.2 x 10^24 atoms of Pb-212 decay into 0.54 miles of Bi-212? Round to nearest whole number.

Chemistry question

Precipitation Possibilities

Figuring out Intermolecular Forces?

Chemistry Resonance Question?

chemistry homework help!

For many purposes we can treat ammonia NH3 as an ideal gas at temperatures above its boiling point of -33 degrees celsius.

Can someone help me with the name

Been getting this question wrong don’t know what I’m doing wrong

Consider the following balanced reaction. HCl (aq) + KOH (aq) → H2O (l) + KCl (aq)

Calculate the pH of a 0.0065 M solution of NaOH. Report answer to two decimal places.

Can someone check my work

I just need to know if I'm in the right route

Can someone help me I’m stumped

Trigonal Bipyramids? Confused.

Can someone help me with these

A student mixes 20.00 mL of 0.190 M Ca(NO3)2 and 12.00 mL of 0.150 M Na2CO3. What is the limiting reactant? Show your work.

How would your results (percent yield) be affected if you spilled some of your reaction mixture while trying to filter your product? Be specific and give an explanation.

Help can someone check my work

Still looking for help? Get the right answer, fast.

OR

RELATED TOPICS

RELATED QUESTIONS

Conductivity help?

Ionic Size

If 34.2 grams of lithium react with excess water, how many liters of hydrogen gas can be produced at 299 Kelvin and 1.21 atmospheres?

RECOMMENDED TUTORS

someone help me.

Turbulence and Poiseuille's equation

What is this equation? ρAv = C

What mass of carbon is present in 8.02 x 10^23 formula units of Al2(CO3)3?

Frequency and waves

A student has 100.mL of 0.20 M HCl. She takes 5.0 mL of this solution and adds it to 10.0 mL of water. She then takes 3.0 mL of this new solution. What is the concentration of this solution?

How many half-lives occurred if 5.2 x 10^24 atoms of Pb-212 decay into 0.54 miles of Bi-212? Round to nearest whole number.

Chemistry question

Precipitation Possibilities

Figuring out Intermolecular Forces?

Chemistry Resonance Question?

chemistry homework help!

For many purposes we can treat ammonia NH3 as an ideal gas at temperatures above its boiling point of -33 degrees celsius.

Can someone help me with the name

Been getting this question wrong don’t know what I’m doing wrong

Consider the following balanced reaction. HCl (aq) + KOH (aq) → H2O (l) + KCl (aq)

Calculate the pH of a 0.0065 M solution of NaOH. Report answer to two decimal places.

Can someone check my work

I just need to know if I'm in the right route

Can someone help me I’m stumped

Trigonal Bipyramids? Confused.

Can someone help me with these

A student mixes 20.00 mL of 0.190 M Ca(NO3)2 and 12.00 mL of 0.150 M Na2CO3. What is the limiting reactant? Show your work.

How would your results (percent yield) be affected if you spilled some of your reaction mixture while trying to filter your product? Be specific and give an explanation.

Help can someone check my work

Still looking for help? Get the right answer, fast.

OR

RELATED TOPICS

RELATED QUESTIONS

Conductivity help?

Ionic Size

If 34.2 grams of lithium react with excess water, how many liters of hydrogen gas can be produced at 299 Kelvin and 1.21 atmospheres?

RECOMMENDED TUTORS

find an online tutor