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Please help with a physics 11 question? (Thanks in advance!!!)?

4/5 * 1 1/6=?

How to prepare 2,2 dimethyl propanoic acid from t-butyl bromide?

Chemistry :)?

What is the balanced equation of an addition reaction between 2-methylbut-2-ene and Br2? Needs to be written with condensed formulas!?

Help in Chemistry! Identify the product radioisotope needed to balance each of these nuclear reactions. 12049In→?+0−1e 24896Cm→?+42He?

Chemistry help please?

Gas is confined in a tank at a pressure of 1.14×108Pa and a temperature of 13.4◦C.?

Find S8 for the geometric series 3 + -6 + 12 + -24 +…?

Please Help?

how many grams of CO2 are made when 35 mls of 2.14 molar HCl reacts with Na2CO3?

The annual total revenue for a product is given by R(x)=63,000x−9x2 dollars, where x is the number of units sold.?

A 0.30 M solution of AlCl3 contains?

2x(4x+5)=-3?

Calculate the mass of butane needed to produce 88.2 g of carbon dioxide.?

What is the semi-structural formula of these substances?

Does electrolytic conductivity increase or decrease with temperature?

Determine the pH of the following solutions. Explain. [HCl]=0.001M and [NaOH]=1x10-2 M. Thank you!?

Gas Solubility Using Henry's Law?

The stomach is an acidic environment. What is the concentration of H+ (in mol/L) if 6.0 g HCl is dissolved in 250 mL of water? [2 marks]?

The LCM of three numbers is 7920 and their GCD is 12. Two of the numbers are 48 and 264. find the third number if one of its factors is 9.?

How do you calculate the hydronium ion concentration given both the ph (8.5) and the temperature (37C). Thanks!?

C(g) + 2A(g) ⇌ 3E(s) + 2F(g) concentrations of C,A,andF are .2 M, .2 M,and .4M atEquilibrium and at 100 K.Equilibrium constant?20,15,10,or25?

If n= 2, what type of the following orbitals are possible?

Chemistry Help?!?

How many moles of Ba(OH)2 are present in 105 mL of 0.200 M Ba(OH)2?

Limiting reactant stoichiometry question? How many grams of ammonia formed during the reaction with 100g of hydrogen and 100g nitrogen?

A model rocket is launched into the air. Its height, h(t), in metres after t seconds is h(t) = -5t2 + 40t +2?

A model rocket is launched from the roof of a building?

Please help with chemistry homework! Will rate well for a correct answer :)?

2 H2O ---> 2 H2 + O2 what is the total number of moles of O2 produced when 8 moles of H2O decompose in this reaction?

which of the following represents the balanced chemical equation for the reaction involving sodium and oxygen?

Easy Logarithm Questions! Help?

The carbon-14 content of a wooden harpoon handle found in an Inuit archaeological site was found to be...?

can someone please explain to me the correct way to solve this chemistry question?

In the electrolysis of a molten mixture of NaCl and CaBr2, identify the product that forms at the anode and the cathode.?

Does a atom and its ion have the same chemical properties?

please help with this chem question?

what happens when a small amount of NaOH(aq) is added to H2CO3(aq)+H2O -> H3O+(aq) + HCO3-(aq)?

equal moles of which of the following chemicals could be used to make a basic buffer solution?

what is the name of this compund?

Trig help! cos(x)=1/2?

6-2-(6-9)-3+(-3)?

Help me please?

Can someone tell me how 15n-n^2+16 can become 17(n+1)-(n+1)^2? This is induction method?

Chemistry experts pls solve?

@chemistry?

Can dextrose produce more CO2 because it s a 6-carbon structure? Can fructose produce more because it s a ketone?Or dextrose as an aldehyde?

Oxidation Numbers Help?

Chemistry Question: How many moles of KCl are present in 75.0 mL of 2.10 M KCl?