Mass - kg

Q: What volume of each of the following bases will react completely with 47.00 mL of 0.370 M HCl? a. 0....

A: The question can be solved using Law of multiple proportions as:

Q: How would you measure the yield of the methane gas? • Dumas method for measuring the gas collected i...

A: To identify: How can we measure the methane gas yield.  

Q: miun reaciant stoIchiomeuy This question will walk you through the steps of calculating the mass of ...

A: Given : Mass of Fe2O3= 201g  

Q: Consider the following reaction: 2 NO(g) + 2 H2(g) → N2 (g) + 2 H2O (g) If the average rate of forma...

A: Given:  Rate of formation of N2 = 2.55 x 10-6 M/s  Time = 25 sec  Initial concentration of NO = 2.24...

Q: What volume of water vapor gas would be produced from the combustion of 574.80 grams of propane (C3H...

A:

Q: Three beakers contain clear, colorless liquids. One beaker contains pure water, another contains sal...

A: Given: Three beakers contain clear, colourless liquids. One beaker contains pure water, another cont...

Q: d. + Brz

A:

Q: What will be the osmotic pressure exerted by an aqueous solution of 500 mL volume at 25°C if it cont...

A: Molar mass of Mgcl2 = 95g/mol  Osmotic pressure= iCRT  i = 3 as Mgcl2 dissociates to give 3 ions 1 M...

Q: Which of the following is a proper practice in transferring a certain volume of a liquid reagent fro...

A: We are to discuss the correct method of transferring liquid from reagent bottle to our own container...

Q: What type of hybrid orbitals form when 3 atomic orbitals are mixed? sp sp? sp3

A: Hybrid Orbitals -  It is the concept of mixing of atomic orbitals to form degenerate orbitals.  

Q: What is the expected bond angle indicated in the molecule below? H H H-N- C-C- -H H slightly 109.5°...

A: To find the bond angle first we need to consider hybridization. 

Q: + CH3OH Draw curved arrows to show the proton transfer reaction between the aldehyde and the alkoxid...

A:

Q: In the subsurface, the water interacts with limestone and the only type of carbonate is calcite (CaC...

A: Given: The rate of stream flow is 0.5 L/min. Let's assume that the concentration after per minute is...

Q: A 8.60 L container holds a mixture of two gases at 25 °C. The partial pressures of gas A and gas B, ...

A:

Q: Given the information below, calculate the abundance and mass for the missing isotope of platinum. R...

A: With datas given From the total abundance of percentage , abundance percentage is found and with the...

Q: 1) 2.2 lb = ___kg 2) 16 fl oz = __pt 3) 1 tsp = __ml 4) 15 gr = __g 5) 1 oz = __m

A: The following conversions can be carried out as:  

Q: Silver exhibits a cubic crystal structure with a lattice constant (a) value of 0.409 nm. It has an a...

A:

Q: Starting out with 20mL of stock solution, you add 100mL of water to make a 0.4M solution of HI. What...

A:

Q: CN 3. н 4. „.CH, NH2 H CH3 POH CH II 5. L.COOH H. HOH,C

A:

Q: A mixture of 0.140 mol of NO, 0.060 mol of H2, and 0.260 mol of H2O is placed in a 2.0-L vessel at 3...

A:

Q: j. HO HCI/ZnCl2 CH3 k. ÇH3 HCI/ZnCl2 CH;CH2C-CHCH3 ОН СНЗ

A: The reactions given are,

Q: Considering the above information, which of these chemical reactions would AGbe approximately equal ...

A: Entropy is the measure of disorderness of the system. More is the disorder in the system, more is th...

Q: Consider the microbial conversion of glucose to L-glutamic acid, as shown below. Assume that initial...

A: Mass of glucose = 200 kg or 200000g Molar mass of glucose = 180g/mol moles of glucose = 200000/180 =...

Q: Balance chemical equation given below. HoW much lithium nitride is produced when 20 g of lithium and...

A: In Balanced chemical equation number of atoms of each species are equal on both reactant and product...

Q: Add lone pairs and draw 2 resonance structures

A: Interpretation: We have to draw resonance structures.  

Q: What's the bond order of the diatomic molecule Ne2? 2 1

A: Interpretation: We have to calculate the bond order of Ne2.

Q: List major sources (biogenic and anthropogenic) of ammonia in the air. What happen to ammonia when i...

A: Nitrogen is the largest component of air gases and so is its compound ammonia. Ammonia pollution is ...

Q: Question 1 Read each question carefully. Write your response in the space provided for each part of ...

A: a) Hydrogen bonds are formed between the water molecules. Hydrogen bonds are attracted to electrosta...

Q: The concentration of a certain sodium hydroxide solution was determined by using the solution to tit...

A: Given: Volume of NaOH neutralized = 48.82 mL = 0.04882 L                           (Since 1 L = 1000...

Q: 10 All the following are evidence of a chemical change except- F production of a gas G production of...

A: Note - Since you have asked multiple questions, we will solve the first question for you. If you wa...

Q: At a particular temperature, Kp = 6.29 × 10º for the reaction H2 (g) + I2 (9) = 2HI(g) If 3.81 atm o...

A:

Q: Which of the following molecules cannot have a valid Lewis structure that obeys the octet rule? O CI...

A: Octet rule states that elements tend to form bonds with other elements in such a way that the valenc...

Q: How many moles of pentane c5h12 are contained in a 27-g sample ?

A: Moles is an unit or method to express amount of substance. A mole is defined as the amount of a subs...

Q: A motorcycle’s fuel tank has a capacity of 0.0221 kL and the motorcycle can travel 15.0 km/L. 1. Ho...

A: The solution is given below - 

Q: A 0.100 L solution is made by dissolving a sample of CaCl2(s) in water. The solution has an osmotic ...

A:

Q: How many grais UI AICIĮ W ninum? 51.67g- 12. How many grams of oxygen gas will be ne to the reaction...

A: 11) 2Al + 3Cl2 ---> 2AlCl3 G A) 2 mol of AlCl3 = 3 mol Cl2   7.56 mol of AlCl3 = 3×7.56/2    = 11...

Q: Solve following using Significant figure rules: 497.2505 + 85.500 + 9.75 – 4.4

A:

Q: A 0.2356-g sample containing only NaCl (58.44 g/mol) and BaCl, (208.23 g/mol) yielded 0.4637 g of dr...

A: Given: Mass of sample of NaCl and BaCl2 = 0.2356 g. And mass of AgCl produced = 0.4637 g.    

Q: A sample of 2.6x10-12 mol of antimony-122 (122Sb) emits 2.76x108β-particles per minute. (a) Calculat...

A:

Q: In terms of the theory of color absorption, explain two ways that a solution can be blue.

A: Firstly understand the concept of complementary color theory, when a matter connects with white ligh...

Q: POSSIBLE Water exists as a solid (ice), a liquid and a gas (steam). Which state of matter will water...

A: Water can be present in three states of matter I.e. solid, liquid and gas.

Q: Formic acid, HCHO2, is a stronger acid than acetic acid, HC,H;O,. Which is the stronger base, format...

A: Interpretation: We have to tell which is stronger base , formate ion or acetate ions.

Q: g. KMNO, CH;(CH,),-C=C-H

A:

Q: In Part 1, draw the mechanism for the most likely proton transfer reaction between methanol and 2-me...

A:

Q: Carbon dioxide readily absorbs radiation with an energy of 4.67×10−20 J.. What is the wavelength (λ)...

A: Given is, Energy = 4.67×10−20 J

Q: What type of hybrid orbitals form when 3 atomic orbitals are mixed? sp 3 sp°

A:

Q: 4. The effect of heat on the decomposition of drug A was evaluated at two temperatures; 25 and 40°C....

A: Given  Initial Temperature ( T1 ) = 25 ℃                                          = ( 25 + 273 ) K  ...

Q: For the following reaction 3 experiments have been run and the data collected is in the following ta...

A: Order of the reaction is defined as the sum of power of concentration of reactants in the rate law e...

Q: Indicate the appropriate reagent(s), conditions, and additional organic starting materials (if neede...

A:

Q: 4. List major sources (biogenic and anthropogenic) of ammonia in the air What happen to ammonia when...

A: The major sources of NH3 emissions in air is agriculture, including animal husbandry NH3-based f...