06/28/24

How long does it take a metal to oxidise to dust
I will like to know the most time it will take a metal to oxidise to dust.
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06/21/24

Wait, so does an object itself actually physically do something when light is reflected or refracted on the item to show the item color? Like for instance a red ball?

Wait, so does the object itself actually physically do something when light is reflected or refracted on the item to show the item color? Like for instance a red ball? Is the object itself... more
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05/22/24

My question concerns polyprotic acids.
Formulate a reasoning for the stepwise ionization and subsequent weakening of the acid for polyprotic acids.
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05/22/24

If the butane collected in water displacement actually contained 10% propane what would happen to its calculated molar mass explained through the variables in MM=gRT/PV
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05/02/24

nahco3 na2co3 + co2 + h20
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03/08/24

what is pH of 8.8 x 10^-8 M HCl
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09/12/23

chemistry homework
A silver ring is composed of 2.71×1023 atoms.2.71×1023 atoms. Calculate the mass of the ring in grams.
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09/12/23

Refund for Trial lesson with Edward
Hi, We had a trial lesson with Edward. I would like to get a refund on that class. Thank you
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09/05/23

Chapter 10 Question
Actinium-225 undergoes alpha decay.a). Write the corresponding nuclear equation.b). The daughter formed in part (a) undergoes in its turn beta decay. Write the equation.
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08/31/23

Multiply each equation by the number of electrons in the other equation, then combine the two equations in order to cancel the electrons out.
 Multiply each equation by the number of electrons in the other equation, then combine the two equations in order to cancel the electrons out.   (Just like if you were trying to solve for x and you... more
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07/14/23

chemistry: Fundamentals and Principals
Consider a sample containing 0.320 mol of a substance. How many atoms are in the sample if the substance is lead?How many atoms are in the sample if the substance is gold?How many molecules are... more
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06/20/23

The mileage for a motorcycle with a fuel tank capacity of 22L is 35mi/gal how long a trip in kilometers can be made on full tank of gas
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06/14/23

What is the 3d shape and polarity of butane?
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06/14/23

What is the 3d shape and polarity of 1-amine-1,3-cyclopentadiene?
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06/14/23

What is the 3d shape and polarity of trans-2-butene?
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05/18/23

A researcher is using 6.53 x 1023 molecules of chlorine gas (Cl2) in an experiment.
A researcher is using 6.53 x 1023 molecules of chlorine gas (Cl2) in an experiment. How many grams of chlorine is the researcher using? Remember to include units (abbreviated appropriately) and the... more
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05/11/23

50 grams NaCl are dissolved in water to make a 1.5 M solution. What is the volume of the solution in mL.
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05/08/23

Chemistry related

Which molecule is polar?(A) BF3(B) CO2(C) CF4 (D) H2Scould you explain which answer you got and why?
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05/05/23

Acids and Bases Question 
 Explain what a conjugate acid is and what a conjugate base is.  What is the function of a buffer? What is a buffer made from?
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04/11/23

Stuck on homework problem for chemistry it’s due tonight

You are trying to determine the concentration of a stock solution of hydrochloric acid. You have 450.80 mL of 0.86 M dilute solution that was prepared with 25.50 of stock solution.
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04/09/23

I need help please
2Al2 (CO3 )3 + 4H3 PO4 ---> AlPO4 + CO2 + H2OInsert the correct number of atoms from each element from the reactant side of the equationAl =C =O =H =P =
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04/05/23

How can Brandon rescue the titration without starting over?
Brandon is attempting to standardize a NaOH solution, that is approximately 0.05 M, against 0.145 grams of sulfamic acid. At around 33 ml NaOH titrant he realizes that he forgot to add the... more
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04/03/23

chemistry wavelengths
Visible light has wavelengths from 400 to 700 nm, whereas the wavelength region for ultraviolet radiation is 1.0×10-8 to 1.0×10-7 m.We can say that:1. The frequency of visible light is (higher... more
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03/16/23

Can anyone help on this chemistry problem, thank you!
A gas has a volume of 3.56 LL at 0 ∘C. What final temperature, in degrees Celsius, is needed to change the volume of the gas to each of the following, if n and P do not change?for 44.8 mLExpress... more
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03/07/23

Chemistry HW help
Complete and balance the following redox reaction in basic solution. Be sure to include the proper phases for all species within the reaction. IO3-(aq) + S2-(aq) --> IO-(aq) + SO2(g)
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