Zinc reacts with hydrochloric acid to make zinc chloride and hydrogen. Zn HC 220g lain what will happen to the mass of the flask and its contents as the reaction proceeds.

Q: Write a balanced chemical equation for the reaction that occurswhen (a) titanium metal reacts with…

A:

Q: When in danger, bombardier beetles can fire a hot, toxic mixture of chemicals at their attacker.…

A: Hess's Law of Constant Heat Summation This law states that the overall enthalpy change produced in a…

Q: A reaction occurs when sulfurous acid ( H 2 S O 3 )is mixed with an aqueous solution of sodium…

A: Sodium sulfite Na2SO3 is an inorganic salt of sodium and sulfite, it is a sulfonation and…

Q: 2. A typical antacid tablet contains 0.50g of calcium carbonate. The chemical equation for the…

A: Mass of Calcium carbonate in tablet = 0.50 g Molar mass of CaCO3 = (Atomic mass of Ca + atomic mass…

Q: If 64.0 mL of 0.150 M HCl(aq) is needed to neutralize all the NH3(g) from a 2.25 g sample of organic…

A:

Q: The chemical reaction "Oxygen gas plus solid phosphorus yields diphosphorus pentoxide" is an example…

A: Redox reaction occurs when oxidation and reduction take place at the same time in a chemical…

Q: Reactron 8 2. Classifying chemical reactions helps chemists to predict the possible products that…

A:

Q: 1. Write the balanced chemical equations for the following reactions and identify the type of the…

A: The unbalanced reaction are:

Q: 4. (aq) (aq) BeSO, (aq) + H,O(1)

A: Given_____    (aq)  +  ____   (aq) → BeSO4(aq) + H2O (l)

Q: An acid, HEI, is formed from a hypothetical element, El, and a subsequent aqueous solution is…

A:

Q: Balance the following equation:   _____ Nm2Bf3 (aq) + _____ Cv (s) à ______ Cv2Bf (aq) + _____ Nm…

A: Since,  We know that,  Balanced equation means number of atom in reactant side is equal to number of…

Q: Table salt, NaCl(s), and sugar, C1,H„O(s), are accidentally mixed. A 5.50 g sample is burned, and…

A: Balanced chemical equation for combustion of sucrose: C12H22O11 + 12O2 ------> 12CO2 + 11 H2O…

Q: B+ 0 -> What is the relationship between the total charge of the reactants (left) and the products…

A: The given nuclear reaction is: N716→β-10+O816

Q: When MgCl2 (aq) reacts with Na CO3 (aq), what will be the chemical formula of the precipitate? Type…

A: The precipitate is a water-insoluble product.

Q: When AgNO3 (aq) reacts with K3PO4 (aq), what will be the chemical formula of the precipitate?

A: Given :- AgNO3(aq) + K3PO4(aq) →  To determine :- The chemical formula of precipitate formed in…

Q: experiment was done to determine the composition of a mixture of sodium chloride and sodium…

A:

Q: Calcium chloride reacts with sodium hydroxide to form solid calcium hydroxide, Ca(OH)2 What is the…

A: Balanced equation is given by:

Q: Zn(s) + 2HCI(aq) à ZnCl,(aq) + H,(g) 1) How many grams of Zinc are necessary to create 100 grams of…

A:

Q: 1. How many GRAMS of manganese(II) are present in 1.89 grams of manganese(II) hydroxide, Mn(OH)2 ?…

A: Number of moles = mass/molar mass  Molar mass of Mn(OH)2 = 88.95 g/mol  Molar mass of Mn(II) =…

Q: 1) Na OEt ? 2) H,0O efa OH (А) (B) (C) (D) (E)

A: This reaction is example of claison condensation.

Q: If 34.0 g of MgSO4⋅7H2O is thoroughly heated, what mass of anhydrous magnesium sulfate will remain?

A: Given:Mass of  MgSO4⋅7H2O = 34.0 gWe need to find mass of anhydrous magnesium sulphate  produced…

Q: Consider the following compound: Sr3(PO4)2 *4H2O -Calculate the mass, in grams, of Sr present in…

A:

Q: Complete and balance the following equations: (a) NaOCH3(8) + H2O(I) (b) CuO(s) + HNO;(aq) (c)…

A: The complete balanced chemical equation for the given reactions are:

Q: 8. To obtain pure lead, lead (II) sulfide is burned in an atmosphere of pure oxygen. The products of…

A: Here lead sulphide reacts with oxygen to give lead and sulphur trioxide.

Q: A mixture contains only NaCl and Fe(NO3)3 . A 0.456-g sample of the mixture is dissolved in water,…

A:

Q: The hardness of water (hardness count) is usually expressed in parts per million (by mass) of CaCO3,…

A: Given: Hardness=175 mg CaCO3/L

Q: If nickel(II) formate is heated to 300 °C in the absence of air for 30 minutes, the salt decomposes…

A:

Q: A student prepares aspirin using 17.530 grams of salicylic acid (MW = 138 g/mol) and 5.00 mL of…

A: The balanced reaction is as follows:        C7H6O3    +    C4H6O3     →     C9H8O4      +…

Q: xercise Over the years, the thermite reaction ha solid-fuel rocket motors What masses of iron(III)…

A: The balanced chemical equation for thermite reaction:

Q: 24 2. H (aq) + CH;OH(aq) MnO, (aq)Mn"(aq) + CH,O(aq) + H,O(1)

A:

Q: Mg(OH)2(s)+2HNO3(aq)→   the balanced chemical formula?

A: Above reaction is double displacement reaction i.e neutralization reaction.

Q: 2 Cro,?(aq) + 2H*(aq) Cr,077 (aq) + H2O(1)

A: The given reaction, 2CrO4(aq)2- + 2H(aq)+  ↔  Cr2O7(aq)2- + H2O(l) Both solutions are in dynamic…

Q: A student, Ken, is given a mixture containing two nitrate compounds. The mixture includes NaNO3 and…

A: Mass Percentage of NO3 in the mixture is 73.76%. it implies that 100 g of mixture contains 73.76 g…

Q: Aspirin can be prepared from salicylic acid ( C7H,O3 ), which has a molar mass of 138.12 g/mol, and…

A: Balanced chemical equation is as

Q: Aspirin can be prepared from salicylic acid (C7H603), which has a molar mass of 138.12 g/mol, and…

A: First of all we calculate the mass of Acetic anhydride using Following relationship - Density =…

Q: 2. A typical antacid tablet contains 0.50g of calcium carbonate. The chemical equation for the…

A: Number of moles = mass / molar mass

Q: The hardness of water (hardness count) is usually expressed in parts per million (by mass) of CaCO3,…

A: The hardness of water (hardness count) is usually expressed in parts per million (ppm)  (by mass) of…

Q: A hydrate of iron (II) sulphate, FESO, xH,0 is 20.0% iron by mass. A) What is the chemical formula…

A: The compound given is FeSO4·xH2O. And mass percent of iron i.e. Fe in compound = 20.0 %. Assuming…

Q: Urea [(NH),CO] is prepared by reacting ammonia with carbon dioxide: 2 NH3 + CO2 (NH),CO() + d. How…

A: According to the law of conversation of mass, mass can neither be created nor be destroyed. So,…

Q: 1) Copper metal can be obtained from copper ore (copper (I) oxide) by heating the ore with charcoal…

A: Solution :    Synthesis or combination reaction :         Synthesis or combination reactions are…

Q: 1. What is the mass percentage composition of capsaicin? 2. What is the percentage composition of…

A: (1) Capsaicin has Following molecular formula -  C18H27NO3  And it's Molecular mass is -  =>…

Q: A 0.772 g sample of a mixture containing only NaBr and CaBr2 is dissolved in water. An excess of an…

A:

Q: 7) Define stoichiometry. A) the concept that 6.02 x 1023 atoms are in 1 mole of an element B) the…

A: A) the concept that 6.02 X 1023 atoms are in 1 mole of an element is known as Avogadro's concept…

Q: When (NH4 )2SO4 , and BaCl2 are mixed, a precipitate will form. Which ions should act as reactants…

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Q: A mixture contains only NaCl and Fe(NO3)3. A 0.456-g sample of the mixture is dissolved in water,…

A: Given a mixture has NaCl+Fe(NO3)3. When excess NaOH is added, Fe(NO3)3 reacts with NaOH and forms…

Q: The molar mass of ibuprofen is 206.3 g mol-1 and a standard tablet contains 0.2 g ibuprofen.  What…

A: Given that : The molar mass of ibuprofen = 206.3 g/mol The mass of ibuprofen in a tablet = 0.2 g

Q: N2(g)+3h2(g)=2nh3(g) what type of reaction is this?

A: Given: N2(g) + 3H2 (g)----> 2NH3(g)

Q: A student prepares aspirin using 2.365 grams of salicylic acid (MW = 138 g/mol) and 5.89 mL of…

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Q: The mass of an empty evaporating dish is 42.48 g. A sample of the hydrate KAl(SO4)2 x XH2O is added…

A: To Solve this problem first we have to calculate the mass of water hydrated then we will calculate…

Q: In an amazingly violent reaction, water can be synthesized from hydrogen gas a oxygen gas. What is…

A: In water synthesis from hydrogen gas and Oxygen gas, hydrogen gas and Oxygen gas should in molecular…

Stoichiometry

Stoichiometry is a chemical division that evaluates the quantitative content of the chemical process with the help of the reacting molecules or products taking part in the reaction. The term “stoicheion” in “Stoichiometry”, is an old Greek term for "element" whereas “metron” means "measure".