Chemistry [Archive] - Page 4 - Ask Me Help Desk

Organic solar cell (0 replies)
Ask expert material science? (0 replies)
How many grams of ammonium nitrate are needed to form 28.3 grams of water ? NH4NO3 (0 replies)
What is the molar mass of the unknown acid? (0 replies)
Why alcohol in unclear in first seconds while it's dissolving in water? (0 replies)
Change in temperature (0 replies)
Trigonometry identities solver? (0 replies)
Magnesium reacts with hcl to form h2 gas? (0 replies)
Find moles (0 replies)
Why alcohol in unclear in first seconds while it's dissolving in water? (0 replies)
My product formulation is separating (0 replies)
?why is the rate of the reaction between oxalic acid and sodium hydroxide slow? (0 replies)
Finding product out of reactant? (3 replies)
Give the chemical formula and name for the ionic compound formed from Ca and Cl (1 replies)
Why use nitric acid in the preparation of calcium standards (1 replies)
Titration of Buffer Solutions (0 replies)
The salt FeSO4xH2O contains 45.3% water. Find the value of x. (1 replies)
Question about organic chemistry (0 replies)
Regarding airconditioner (1 replies)
How do I write the structural formula of the c2h4 hydrogenation addition reaction? (1 replies)
How to react H2SO4 with Na2CO3 in present of phenopthalin media (1 replies)
How to react Na2CO3 with H2SO4 present of phenolptalin medium? (0 replies)
Differentiate dil Chromium(III)chloride(aq) and dil Copper(II)chloride(aq)? (0 replies)
How to quickly determine H2SO4 concentration in a mixture solution of CuSO4 and H2SO4 (0 replies)
Methode to manufacture copper sulphate from Cu metal and sunfric acid (0 replies)
How do I convert this? (0 replies)
Question on Enthalpy (please help?) (2 replies)
How to find Molar Heat of Solution? (0 replies)
How much sodium hydroxide would I need to neutralize 1ltr of hydrochloric acid? (0 replies)
word equations (0 replies)
How to find boiling point and van't hoff factor? (0 replies)
How many moles of HCl were required to neutralize the ammonia in the nickel(II) ammin (0 replies)
How many moles of sodium hydroxide were required? (0 replies)
Water and dinitrogen pentoxide gas react to produce aqueous hydrogen nitrate. (0 replies)
Water and dinitrogen pentoxide gas react to produce aqueous hydrogen nitrate. (0 replies)
Concentrated acetic acid is a Class II combustible liquid. What is the molecular weig (0 replies)
Can anyone tell me everything about CaO CO2 --> CaCO3? (0 replies)
Thermodynamics (0 replies)
What's the reaction to magnesium when mixed with acid (0 replies)
solve my chemistry equation? (0 replies)
What is the pH of resulting solution? (1 replies)
Do acids and bases dissociate in solvents other than water? Like propylene glycol? (0 replies)
What do you mean by side chain? (1 replies)
If 1.7 moles of C4H10 reacts with oxygen, how many moles of carbon dioxide will be pr (1 replies)
How many grams of hno3 can be dissolved in 100g of water at 50 degrees celsius (1 replies)
Italian word for color orange (2 replies)
Enumerate five other metals you can use for the preparation of hydrogen gas. (1 replies)
Hydrogen gas reaction of Al HCl (0 replies)
Molality and Molarity (0 replies)
Mechanism of radical substitution (0 replies)
What ar the chemical equation of (0 replies)
I want to know vacancies for chemical engineers (0 replies)
Ask a question about chemistry conversions? (1 replies)
Physical equilibrium (0 replies)
what happends when the poly ethylene heated to 500^o c (1 replies)
Equilibruim (0 replies)
Equilibrium (0 replies)
Why does KMnO4 become green when added to n-hexane? (1 replies)
Chemical formulas and equations (1 replies)
Important to answer- Acid Question (0 replies)
Which process for to neutralize bitterness of DNS? (0 replies)
Addition to original question about chemistry. (0 replies)
Sodium hydrogen carbonate mixed with sodium hydrogen sulfate? (2 replies)
Why some time 0.1 percent of FeCl3 solution is added to rosenheim test? (0 replies)
What is mean by chiral impurity? (1 replies)
How to calibrate uv-visible spectrophotometer? (0 replies)
How I know the title of investigatory? (0 replies)
How many atoms will remain in 352 years? (1 replies)
Kenetic Energy (1 replies)
Reaction prediction (0 replies)
What are 10 random elements that aren't... (0 replies)
balancing equations and identifying reaction types (0 replies)
Oxidation reaction (1 replies)
Moles/chemistry (1 replies)
SI unit Moles (3 replies)
Atomic mass (1 replies)
Haber Process (1 replies)
Electric discharge produced ozone (1 replies)
Electrolysis of water (1 replies)
Completing word equations (2 replies)
how do you balance sulfur + oxygen => sulfur dioxide (1 replies)
Chemistry- Chemical Bonding (2 replies)
Ppm calculation? (1 replies)
Chemistry ! (2 replies)
Chemistry! (1 replies)
Thermochemistry (1 replies)
Reaction of hexanal with oxygen? Is it possible? (4 replies)
How much "stronger" is a drink with 100 proof alcohol than one with 80 proof alcohol? (1 replies)
What is atomicity of Noble Gas? (1 replies)
Define electro negativity of any atom. (1 replies)
Relationship between ppm and normality? (1 replies)
20% Phosphate solution has crystals in the bottom - how do I make it liquid again? (1 replies)
Why is there a blue flash before oxyhydrogen balloon explodes? (0 replies)
If I have mg/L of Hardness (CaCO3) , can I calculate mg/L of Calcium? (2 replies)
Is carbon reduced and oxidized during charge/discharge in a Li-ion secondary battery? (0 replies)
An unknown mass of anhydrous potassium carbonate was dissolved in water and the solut (1 replies)
NaOH CaSO4 <> Ca(OH)2 Na2SO4 what is the charge on the S in CaSO4 (1 replies)
Chemistry unit 6 question (1 replies)
Moles and Equivalents (1 replies)
chemistry equation question (2 replies)
Heat of fusion problem solver? (1 replies)
Chemistry subject (1 replies)
Total hardness calculation formula? (1 replies)
How do I create this equation. Nitric acid and potassium borate (1 replies)
Chemistry help (1 replies)
Chemistry help (1 replies)
Chemistry (4 replies)
Gr. 10 science lab, giving a balanced chemical equation with only the reactants (1 replies)
Possible ETG test on the 13th... will I pass? (1 replies)
I don't know how to find chemical equation products, can someone help me? (1 replies)
Heat Fusion (1 replies)
Please help me with my chemistry (1 replies)
Theoretical yield, limiting reactant and excess reactant (5 replies)
EtG testing one drink? (4 replies)
How to find concentration of an acid in an experiment? (0 replies)
Chemistry Project : Find the quantity of ammonium in hair dye ? (6 replies)
Which of the following contains one mole molecules of the substance? (1 replies)
Lewis dot structure for transition metals? (1 replies)
Algebra moles (1 replies)
Chemical reaction of chlorine gas and methane? (1 replies)
turning formula equations into a word equation (1 replies)
How will Lithium ion form (1 replies)
Chemistry: Predicting the products and balancing chemical reactions? (1 replies)
the equation is N=O(0.5)t/h (3 replies)
Copper metal reacts with 12.67g of silver nitrate that has been dissolved in water. H (1 replies)
QC LAB Pharmaceutical (3 replies)
Activity to effect of potassium bisulphite (1 replies)
How to find the volume of NaOH? (1 replies)
Answers for human vision cuts off on the red side of the spectrum at about 675 nanome (0 replies)
What is the mass of 1 mole of oxygen atoms (2 replies)
What is product resolution/ fractionation of hplc ? (0 replies)
Zinc and lead (ll) nitrate react to form zinc nitrate and lead (1 replies)
Empirical Formula (1 replies)
Partial pressure of oxygen hydrogen and nitrogen are .210 .145 and .235atm what is th (1 replies)
Which molecule would be immiscible in water? (1 replies)
Write formulas for each of the following compounds (1 replies)
Write formulas for the compounds formed between the following (1 replies)
Ask chemistry questions? (1 replies)
Chemical formula (1 replies)
Chemistry: Matter and Change (1 replies)
How do I solve this? (1 replies)
Specific Heat (1 replies)
What simple machine most effectively multiplies the effort force applied to the mach (2 replies)
Chem Homework (2 replies)
Chemistry- -Valency of Magnesium. (1 replies)
Iron(II) sulfate, FeSO4, is prescribed for the treatment of anemia. (1 replies)
Chemistry (1 replies)
balancing word equations? (1 replies)
Gravimetric stoichiometry questions? (1 replies)
pH of products of 50mL 0.01M HCl 50mL 0.02M HNO3=? (1 replies)
What kind of substance is composed of more than one type of atom linked together (2 replies)
Valence Electrons are electrons in the innermost shell? (2 replies)
Nuclear reactors that produce more fuel than they use are called breeder reactors? (1 replies)
What do we call the chart arranges the elements by atomic number and valence? (1 replies)
What is the process of combining two atomic nuclei to form a heavier nucleus called? (1 replies)
Hydrochloric acid distilled water sodium hydroxide (0 replies)
How does periodic trends affect boding? (1 replies)
Percentage of pure zinc in Zinc Mono hydrate (1 replies)
2HgS 4 HNO3 4 HCl will give ? (0 replies)
Why do the aluminium ions move to the negative electrode in the process of aluminium (1 replies)
How many moles of atoms are in 3.49 grams Ni? Answer in units of mols (1 replies)
50.0 grams of a pure gaseous compound was found to contain 22 grams of oxygen. What I (1 replies)
translating chemical symbols into a word equation? (2 replies)
Find molarity of potassium permanganate (1 replies)
KW - acids and bases (4 replies)
Acids and Kw (0 replies)
KW - ionic constant of water (1 replies)
Acid/conjugate base pairs (1 replies)
Question about acids and bases; Kw; Ka and Kb (1 replies)
I have a true or false about cell's internal structures (1 replies)
Lithium combines with oxygen to form lithium oxide (1 replies)
Calculate number of moles of atoms in 3.61Ã—1024 of magnesium chloride, (1 replies)
A chemistry problem about Rate law/mechanism stuff (1 replies)
In addition to the gas produced, an aqueous solution of zinc chloride is also produce (2 replies)
Ask a chemistry question? (2 replies)
Acid carbonate strong base reaction (1 replies)
Qualitative researchers use extraordinary efforts to make sure objectivity is achieve (1 replies)
Finding pressure (1 replies)
Dilution problem (1 replies)
Temperature change & chemical equations. (1 replies)
Calculate the change in Temperature. (3 replies)
I have a chemistry question about hydrogen bonding. (1 replies)
Determine total volume of gases when temperature is raised. (1 replies)
Ask chemistry questions? (1 replies)
Consider a van parked in a lot outside a professional football stadium in Atlanta, GA (4 replies)
Dr. Brown has a radioisotope source containing 1.2 x 106 (also written as 1.2E 06) at (1 replies)
How to convert moles into grams? (2 replies)
Sodium aminomethanesulfonic H2SO4 reaction? (1 replies)
Chemical equation of adding lime to soil? (1 replies)
What is the empirical formula of the compound? (1 replies)
Estimate freezing point (0 replies)
Calculate the chemical potential of benzene relative to pure benzene (0 replies)
What is the mass percent of copper in a compound? (1 replies)
What do you get when you mix zinc with Sulphric acid? (1 replies)
How to calculate the volume of nitrogen gas released from the decomposition of (2 replies)
Synthetic elements with atomic numbers greater than 93 (2 replies)
Where do you get oxygen in the equation CuCl2 NH3 = [Cu(NH3)4(H2O)2]2 N2 2HCl? (7 replies)
How many grams of Ba3(PO4)2 will be created from 116.5 grams of BaCl2? (1 replies)
Is a polymer a alkene or a alkane? (3 replies)
Difference between red hot and white hot (1 replies)
Finding the element (2 replies)
Estimate the percent vinegar in pickle juice (1 replies)
Ask chemistry questions? (2 replies)
Flammable and combustible.. (1 replies)
online word equation balancer? (1 replies)
When he returns he finds? (2 replies)
Consider the following generic chemical equation. (2 replies)
True or false (1 replies)
The numeric value for Avogadro's number is? (1 replies)
Compounds formed from metals and nonmetals (1 replies)
The formula for the compound (0 replies)
True or false (1 replies)
Determine the total of the coefficients when added together (1 replies)
What is the molecular weight of novocain (2 replies)
True or false the theoretical yield is the amount of each reactant needed in order t (1 replies)
How do you calculate the heat of reaction? (1 replies)
If electricity of sufficient voltage is passed into a solution of potassium bromide (1 replies)
Chem. Equilibrium (1 replies)
chemistry (equation) (1 replies)
How do you prepare iodine solution from solid iodine? (1 replies)
Find the equilibrium partial pressures of A and B for each of the following (1 replies)
A mixture of water and graphite is heated to 600 K (1 replies)
Complete and balance in acid (indicate gain or loss of e-). (1 replies)
A 73.6 L constant-volume cylinder containing 7.38 g He is heated until the pressure (1 replies)
What volume of 0.0810 M NaOH is required to exactly neutralize 10.00mL of 0.119 M HCl (0 replies)
Several questions. (0 replies)
How to find the number of atoms thick? (1 replies)
science word equations solver? (1 replies)
Measuring carbon dioxide sodium for smoke? (2 replies)
Why does all types of.. (1 replies)
Chemistry Hess's Law problem (2 replies)
How many moles of Na2CO3 can be produced? (1 replies)
Hardness of water (1 replies)
atoms of an element in X moles compound (1 replies)
What is the maximum mass of water that can be released by heating a 6.645 sample of c (1 replies)
What happens in the calcium and sulphuriic acid experiment? (1 replies)
Does magnesium react with dilute acid? (1 replies)
CH3CH2C triple bond CCH3 + O2 ----->(heat)? (1 replies)
What is the product for this reaction ? (1 replies)
Calculate the number of molecules of C8H8 containing 1.44?10^25 C atoms (2 replies)
Write out word equations for chemistry? (1 replies)
State one observation when calcium carbonate is added until excess of nitric acid. (2 replies)
Half life question (2 replies)
0.102*0.0821*273 /1.01 (2 replies)
Can you help me with my chemistry homework? (1 replies)
What will happen when mixture of phosphorus chloride with chlorine? (1 replies)
Determine the mass of oxygen reguired to completley burn 10.0 g of propane, C3H8 (1 replies)
Edta problems in engineering chemistry (1 replies)
Net chemical equations? (1 replies)
Can sodium bicarbonate mixed with water ever be an acidic solution? (4 replies)