Q: What is the sum of coefficients from the following reaction (both products and reactants)? X2(CO3)3…
A: Sum coefficients can be find out from the balanced reaction.
Q: What is a Coefficient used in the formula below? 4Fe, (CO,)5 3.
A: In mathematics co-efficients are usually a number which is used as a multiplying factor and placed…
Q: How many coefficient(s) does the following formula have? 5Na,CO3
A: Solution : The coefficient of the compound is that number that goes in front of the compound.…
Q: 2 Fe + O2→2 FeO 1. The numbers in red boxes are... A. subscripts B. coefficients C. reactants D.…
A: The chemical on left side of arrow are consider as reactant on right side it is consider as product.…
Q: Fedh + KAFe(CN)s + KCI O Fe.[Fe(CN).]s O Fe[Fe(CN).]: Fe.[Fe(CN),]: O Fe:[Fe(CN).]
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Q: Use the meaning of the prefix "nano-" to select the value of "x" in this equation:…
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Q: The coefficients for the equation after you balance it are FeO +C → Fe + CO2 1,2,1,3 respectively O…
A: The skeleton chemical equation given in question is - FeO + C -----> Fe + CO2 The numbers of…
Q: Fe(s) + Cl2 --> FeCl2(s) If 25.6g each of iron and clorine are combined, how much FeCl2 should…
A: No. of moles of Fe(s) =
Q: Br 1) NaNO2, H* (аq) 2) HзРО2 Br Br NH2 NaOH (aq) O
A:
Q: Balance the following chemical reaction. Enter the sum of the balanced coefficients as your answer.…
A: Balancing chemical equations makes sure each element in reactants and product sides are in an equal…
Q: Balance the following chemical equation. Select the coefficients in order from the choices given.…
A: Balanced equation means number of each atom in both side are present in equal number.
Q: CACO; ® CaO + CO, In the chemical reaction shown above, the products are best classified as- O Two…
A: Element is a pure substance and is made up of only one kind of atoms.
Q: Which of the following diagrams represents a chemicalchange? [Section 1.3]
A: If there is chemical change that is formed there are new bonds that are formed. a. In the first…
Q: Write a balanced equation for the complete oxidation reaction that occurs when butane (C,H10) burns…
A: When a hydrocarbon reacts with oxygen it will produce carbon dioxide and water. This reaction is…
Q: The chemical equation shown is unbalanced. WCIĄ(s) + Na2S(s) -> WSn(s) + NaCI(s) The subscripted…
A: Subscripted number is decided by the valency of the element forming the bond. Central element and…
Q: 3 Pb(SO,)2 + 4 Fe → 3 Fe,(SO4)3 + 3 Pb REACTANTS PRODUCTS Element / Polyatomic lon How Many? Element…
A: Ans
Q: Balance the following equations. (Use the smallest whole numbers possible. Enter 1 where appropriate…
A: Balanced chemical equation are:
Q: Carbon Dioxide + Ammonia OC(NH2)2 Water REACTANTS PRODUCTS Element Symbol How Many? Element Symbol…
A: The answer is given as follows
Q: H20(f) – Ca (aq) + OH (aq) + |H2(g) Ca(s)
A:
Q: 1) Which of the following are chemical changes? (Circle all that apply) a. Metabolism of Glucose…
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Q: 3. A Chemistry 11 student tries to explain that based on the ratio of the reactants in the reaction…
A: Given reaction is Ca(s) + F2(g) → CaF2(s) To explain that the statement of student is wrong.
Q: Balance the equation below, which uses imaginary elements (they still follow the usual convention –…
A:
Q: Fill in the coefficients (include a 1 where appropriate or a single space) to balance this chemical…
A: CH4 + 2O2 à 2H2O + CO2 Blank 1 - 1 Blank 2 -2 Blank 3 -2 Blank 4 -1
Q: What are the missing coefficients for the equation below? Al,(SO4)a(aq) + KOH(aq) → Al(OH)a(aq) +…
A: 1) The right answer is option D) 1,6,2,3 2) The right option is B) New atoms are formed as…
Q: How many hydrogen atoms are present in 10 g of sugar?
A: Given data: The mass of sugar m = 10 g. To find: The number of hydrogen atoms.
Q: Fill in the coefficients (include a 1 where appropriate or just a single space) to balance this…
A: For balancing chemical equation we need to make sure the number of atoms of each element on the…
Q: How many grams of nitrous acid can be made from 35.19 grams of water? dinitrogen tetrocide (g) +…
A: Given that: Reaction of dinitrogen tetra oxide with water: N2O4(g) + H2O(l) → HNO3(aq) + HNO2(aq)…
Q: X 12. Which of the following is not 0/1 something which happens during a chemical change: * Gas is…
A: In a chemical change, reactants are converted into the products.
Q: KCIO, + C,„H0,, → KCI +CO, + H,0 3 11
A: According to the Law of conservation of mass " all atoms of different elements must be equal on both…
Q: Balance the following chemical reaction. Enter the sum of the balanced coefficients as your answer.…
A: The unbalanced chemical equation can be written as: K + I2 → KI
Q: Calculate the ΔG°rxn using the following information. Mg(s) +…
A: Given: Mg(s) + N2O(g) → MgO(s) + N2(g) ΔG°f (N2O) =103.7 kJ/mol ΔG°f (MgO) =−569.3 kJ/mol
Q: 2Al(s) + 3CuSO4(aq)--> Al2 (SO4)3 (aq) + 3Cu(s) How many grams of aluminum will be required to…
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Q: Consider the following chemical reaction HCI (aq) + HgN03 (aq) → Hg2Cl2 (s) + HNO3 (aq) If 20.0…
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Q: 1. Spaghetti is one of the favorite foods of kids and it has several ingredients. The following…
A: Atomic mass of Carbon = 12g/mol Atomic mass of Hydrogen = 1g/mol Atomic mass of oxygen = 16g/mol…
Q: Balance the following equation: CH₃ONa + NaCLO₂ + HCl --> COCl₂ + NaCl + H₂O
A: The chemical equations should be balanced in accordance with the law of conservation of mass. This…
Q: CCI,CO 1,0 (1) = н (aq) 4,0 (1) = (aq)
A: When acid dissociation in water then it's released H(+) ion and this H(+) ion abstracted by the…
Q: the Daily Value for saturated fat is 20 grams (g), which equals 100% DV. If the Nutrition Facts…
A: Since daily value helps you to make informed food choices. It is labelled on right-hand side of…
Q: Which image represents a mixture of compounds? II II IV
A: Any substance made up of similar molecules made up of atoms from two or more chemical elements is…
Q: B. drawing molecular pictures of the following chemical reaction using the symbols below 2NO(g) +…
A: Given :-2 NO (g) + 2 H2 (g) → N2(g) + 2H2O(g)we have to draw molecular picture of the givenchemical…
Q: In the following balanced chemical reaction, what is the value of b (use only real number)? aCsH;OH…
A: The chemical reaction follows the law of conservation of mass. According to the law of conservation…
Q: gas. Becog t Hcl- e Li, COz t HCl Cf. Mg COg t Hclc S Ke CO3 t HCl
A: In the given question we have to prepare CO2 gas from the given reactions. the reaction below shows…
Q: 4. Calculate the indicated quantities. [SHOW WORK] a) The number of calcium atoms in 3.6 moles of…
A: Number of moles=Given number of atoms/molecules/ ionsAvagadro's Number(6.022×1023)
Q: Which coefficients correctly balance the following chemical equation? ___ N2 + ___ H2O → ___NH4NO2…
A: The entire number of atoms available on the reactants' side should match the net number of atoms…
Q: According to nutritional guidelines the estimated average requirement for dietary potassium is…
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Q: CÓ + OH ® CO2 + H Which substance represented in this equation is classified as an element? О со О…
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Q: Balance the following chemical equations (type corresponding coefficients (1, 2, 3, ...) in blanks).…
A: BALANCED REACTION 2 NO2 + F2 ---> 2 NO2 F
Q: Fill in the coefficients (include a 1 where appropriate or a single space) to balance this chemical…
A: 2Cu2O --> 4Cu+ + 1 O2
Q: Choose the correct answer , make sure it is correct 100% 1. which of the following is a chemical…
A: Processes that involves the attraction of atoms are called Chemical process. While physical proesses…
Q: KI
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- Endothermic or Exothermic? H2O(g) + CO(g) → H2(g) + CO2(g) + 10 kcal How do you know?The hormone norephinephrine, which is released by the body when it is stressed, is made up of 56.8% C, 6.56% H, 28.4% 0, and 8.28%N. Determine its EF.Which of the following does not have DHof=0 at 25oC? N2(g) Cu(s) Kr(g) Hg(s) H2(g) I2(S)
- True or False 1.An atom is oxidized when it loses a neutron 2.Burning a molecule of glucose with fire and having a molecule of glucose go through cellular respiration produce the same amount of energy 3.3. Hot cofee was served before a student reviewing for an exam. However, the coffee was too hot so he let it cool down first before finally taking a sip. If the coffee is perfectly homogenous, by the time the student took a sip, it will taste _______intended. A. Unchanged asB. Weaker thanC. Lighter thanD. Stronger thanHow much heat (in kilocalories) is evolved or absorbed in the reaction of 1.21 g of Na with H2O?2Na(s)+2H2O(l)→2NaOH(aq)+H2(g), ΔHΔH = -88.0 kcalkcal (-368 kJ)
- For the reaction CO (g) + 2 H2 (g) ↔ CH3OH (g) Kc = 2.00. What is the numerical value of Kc’ for the reaction below?½ CH3OH (g) ↔ ½ CO (g) + H2 (g) A) 2.00 B) 0.707 C) 1.41 D) 0.25 E) 4.00Using the following information: 2NO(g) ↔ N2(g) + O2(g) Kc1 = (1.200x10^0)x1030 N2(g) + Br2(g) + O2(g) ↔ 2NOBb(g) Kc2 = (2.90x10^0)x10-27 Calculate Kc for the following reaction. 2NO(g) + Br2(g) ↔ 2NOBr Express your anwser to three significant figures.The table below shows Hvalues for 3 reactions. Which reaction has Hrxn equal to Hf? Explain. How much energy would be released by the combustion of 100.0 grams C2H2(g)? Calculate the ΔHrxn for the reaction C2H2(g) → 2C(s) + H2(g).
- Methane, CH4, reacts with oxygen to produce carbon dioxide, water, and heat. CH4(g) + 2O2(g) . CO2(g) + 2H2O(l) DH = -890.3 kJ What is the value of DH if 5.00 g of CH4 is combusted? a. -157 kJ b. -277 kJ c. -445 kJ d. -714 kJ e. -1.43 ÅL 104 kJThe primary fuel source for the cells of the nervous system, which is an important energy source for all body tissues is glucose. A) True B) FalseA = 2 B Δ H = + 24 kcal Is the above reaction exothermic or endothermic? Is heat a reactant or a product in the reaction above?