Over coffee and croissants at breakfast one day, your friend Lena (an expert chemist) says this: "Group 1A metal hydrides react with water to produce hydroxides and hydrogen gas." Using Lena's statement, and what you already know about chemistry, predict the products of the following reaction. Be sure your chemical equation is balanced! NaH(s) + H2O(l) ->

Q: 4. Why can't tin (IV), copper (II), antimony (III) and bismuth (III) ions be separated from silver,…

A: In the given question we have, Cations - Cu2+ , Sn4+ , Bi3+ , Cd2+ and Sb3+ Hydrochloric acid = HCL…

Q: Predict the polymer that would form from the following monomer unit:

A: Given : structure of monomer. Tip : repeat same unit

Q: 36.How many sulfur atoms are present in 25.6 g of Al2(S2O3)3? A) 0.393 B) 6 C) 3.95 x 1022 D) 7.90 x…

A: Al2(S2O3)3 name is Aluminiumthiosulphate Given  mass of Al2(S2O3)3 is 25.6 g Number of sulphur atom…

Q: 3. Concentration 4. Temperature 5. Endothermic 6. Exothermic

A: 1) Concentration: It is the amount of solute dissolved in a given quantity of solvent where solute…

Q: Which of the following statements are true? O A. The weak acid will require the same amount of NaOH…

A: Given that, two solutions of 25.0 mL of 0.10 M strong monoprotic acid and 25.0 mL of 0.10 M weak…

Q: Determine the pH during the titration of 14.9 mL of 0.149 M nitric acid by 7.12x10-2 M potassium…

A:

Q: Calculate the pH and the equilibrium concentration of Se2- in a 6.77x10-2 M hydroselenic acid…

A: we need to calculate the pH and find [Se2-]

Q: Enter your answer in the provided box. What mass of naphthalene must be dissolved in 2.10 x 102 g of…

A: Given data :

Q: Complete and balance the following reactions. Assume all reactions go.

A: Here we are required to complete and balance the reaction.

Q: Consider the following ligand binding equilibrium at 25 °C: format) P+L=PL a) What is the K₂ for the…

A: Given, Ligand binding equilibrium . P + L⇌ PL     ∆G°=-8 kJmol

Q: A recipe for 1 cup of hollandaise sauce calls for ½ cup of butter, ¼ cup of hot water, 4 egg yolks,…

A: The reactants(ingredients) required for the preparation of hollandaise sauce are: ½ cup of butter, ¼…

Q: Balanced chemical equation: -BaCl2 + CuSO4 -> Balanced ionic equation: Balanced net ionic equation:…

A: Given reaction is double displacement reaction.  BaCl2 + CuSO4 ———>

Q: Gaseous nitrogen and hydrogen undergo a reaction to form gaseous ammonia. From this reaction 0.907…

A: Given : mass of N2 = 2.71 grams            NH3 produced = 0.907 grams  Tip : percent yield = actual…

Q: Consider isobars with mass number A=53, which is the one with least number of neutrons? Enter…

A:

Q: Calcium carbonate is used in many antacids to neutralize stomach acid, as depicted by the following…

A: Chemical equation for given reaction is as follows: CaCO3 (s) + 2 HCl(aq) → CaCl2 + H2O(l) + CO2(g)…

Q: How many grams of AgNO3 are in 45.0 mL of a 0.693 M solution?

A: Given  Volume of Solution = 45.0 mL  Molarity of solution = 0.693 M  Molar mass of AgNO3 = 169.87…

Q: Experiment name: Spectroscopy HCI IR spectrum (vibration and rotation) Q1:Purpose of experiment Q2:…

A: One of the most popular and commonly utilized spectroscopic methods is infrared (IR) spectroscopy.…

Q: Which does not have the same volume as 1.0 mol of N₂(g) at 1.0 atm and 15°C? a mixture of 0.5 mol of…

A:

Q: Exercise : Consider the following potentiometric titration data for acetic acid solution against…

A: a) Plot of pH of solution vs volume of NaOH.  End point lies between 7.15 to 11.34.  So, the end…

Q: Experiment name: Spectroscopy HCI IR spectrum (vibration and rotation)

A: Purpose:          A classic among molecular spectra, the infrared absorption spectrum of HCl can be…

Q: Is the following reaction Exothermic or Endothermic a) Exothermic b) Endothermic c) Neither…

A: Endothermic reactions: The reactions in which energy is absorbed from the surrounding are known as…

Q: Zinc metal reacts with hydrochloric acid according to the following balanced equation: Zn(s) +…

A:

Q: chergy R A₁ 0: S H R R H A₂ 0.8- N-H 8+ RE N-H 19 H

A:

Q: For a 8.40×10-² M solution of H₂CO3, calculate both the pH and the CO3²- ion concentration. H₂CO3 +…

A:

Q: At a certain temperature, the ?p for the decomposition of H2S is 0.875.   H2S(g)↽−−⇀H2(g) + S(g)…

A: Given Kp for the below dissociation reaction is 0.875. H2S(g) ⇌ H2(g) + S(g) ; Kp = 0.875

Q: AHºrn and the Standard Enthalpies of Formation; Read Section 7.9. You can click on the Review link…

A: Fermentation of ethanol can be done from the glucose. We have to write the balance chemical equation…

Q: Which of the following accurately shows the curved arrows for an E2 reaction? (A) (C) H (B) (D) H

A:

Q: What is the volume in L of 0.724 M Nal solution contains 0.405 mol of Nal

A:

Q: In this lab, you are producing hydrogen gas in an electrolytic cell.  Provide the balanced half…

A: Lab question 1:  A) Given: Moles of Hydrogen = 4 mol To determine: Moles of electrons that were…

Q: ? MeOOC

A:

Q: What is the most effective pH buffering range for a alazarin yellow indicator? (benzoic acid Ka =…

A: For any indicator, effective pH buffering range =  pKa ± 1

Q: can you please answer question #4 on th picture

A: #4: Net ionic reaction is written by canceling all the spectator ions and keeping only the reactants…

Q: Titration #1 Titration #2 Titration #3 The concentration of NaOH (M) 0.9554 0.9540 0.9551 Using the…

A: According to question, concentrations of NaOH in 3 trial of titration,  c1= 0.9554 M c2 = 0.9540 M…

Q: Calculate the percent yield if 1.18 g of copper is produced from 5.48 g of copper(II) sulfate and…

A:

Q: Hi there. Can you help me understand how to find the molar ratio of NaOH:KHC8H4O4? I am extremely…

A: According to the question we have, The Molarity of KHP is given by ( M1) = 0.6 M The volume of the…

Q: The amount of I2 produced by the persulfate-iodide reaction when the blue color appears is the same…

A: Iodine-Clock reaction : Step 1: S2O82- + 2I-→2SO42-+I2 Step 2: 2S2O32-+ I2→S4O62- + 2I- Step 3:…

Q: CI B O + Não-

A:

Q: 1. Use curved arrows to show electron movement in the reactant side and draw the product/s of the…

A:

Q: Titration of 25.00ml of 0.100M I- with 0.0500M Ag+. Calculate pAg+ (=-log[Ag+]) at VAg+= 10.00ml;…

A: The Ksp equation of AgI(s) is: AgI(s) ↔ Ag+(aq) + I-(aq) ; Ksp = 8.3*10-17  The balanced titration…

Q: draw the products you get with syn- and anti- addition of bromine to z-stilbene. For each of these…

A: When the larger group are on same side of double bond, it is called Z isomer. Let us discuss the…

Q: The following pH curve is for the titration of 20.0 mL of a 0.10 M solution of a weak monoprotic…

A: The curve represents pH Vs volume of titrant (in ml).

Q: Arrange the following compounds in order of increasing acidity or basicity. Give a brief reasoning…

A:

Q: Ht heat

A: Hydrolysis in the presence of Acidic media (H+ from H3O+) :

Q: . Find the percent composition of each element present in Fe203?

A:

Q: The concept of determining which reactant is limiting and which is in excess is akin to determining…

A: Answer: This question is based on the concept of limiting reagent. Limiting reagent is the reactant…

Q: Given the following data set at 298 K, calculate the KP and Kc for the above reaction at 298 K 1/2…

A: The given equilibrium reactions are: N2g+O2g+Cl2g⇌2NOClg ......(1)12N2g+O2g⇌NO2g ; KP1= 1.0×10-9…

Q: Show how you would prepare the following from cyclohexanol: a) b) c)

A:

Q: What quantity in moles of C₂H₅OH are there in 81.5 mL of 0.250 M C₂H₅OH?

A:

Q: Suppose you performed a titration of a weak acid and you found that the equivalence point occurred…

A: Given that,  The volume of NaOH required to reach the equivalence point = 19.51 mL And Acid is a…

Q: In the reaction Mg(s)+2HCl(aq)→MgCl2(aq)+H2(g) How many milliliters of a 7.250 MM HClHCl solution…

A: Given : mass og Mg = 29.00 g  Molarity of HCl = 7.250 M  Tip : molarity = moles ÷ volume 1L = 1000…

Group 13 Elements

In the periodic table, group 13 elements exist in the first p-block. There are six elements present in group 13, which include boron (B), aluminum (Al), gallium (Ga), indium (In), thallium (Tl), and element 113 (ununtrium, (Uut)). Group 13 elements are also designated as the boron family.