Which equation represents a chemical reaction that obeys the law of conservation of matter? O CGH1206 + O2 → CO2 + H2O C6H1206 + 8 O2 → 6 CO2 + 8 H2O O CGH12O6 + 12 O2 → 3 CO2 + 8 H2O C,H1206 + 6 O2 → 6 CO2 + 6 H2O О 2 СН1206 + 6 02 > 12 СО2+6 H,0

Q: Palladium is named after the asteroid Pallas, forms a gaseous compound of the formula Pd(CO)x What…

A: According to Graham’s law of effusion, the rate of effusion of a gas is inversely proportional to…

Q: (a) Discuss THREE properties of water. B IU x? x, 5 C n EE 0/ 10000 Word Limit (b) Explain each of…

A: a. Three properties of water. Its attraction to polar molecules High-specific heat High polarity

Q: A 10.00 mg sample of technetium-93 (92.91024898 u) is used to heat 125.4 g o

A:

Q: Ozone in the upper atmosphere is depleted when it reacts with nitrogen oxides. The rates of the…

A: The rate of a reaction is proportional to the concentration of the reactants. The rate law…

Q: At pH=2.2, which of the following is true СООН ÇO0 Ç00 CO0 H,N-CH H3N-CH H,N-CH H2N-CH CH2 pK, CH2…

A: The given amino acid is glutamic acid. Glutamic acid is an acidic or negatively charged amino acid.…

Q: When reacted, how does the use of potassium (K+) vs sodium (Na+) change the soap product?

A: Saponification is a biochemical process which deals with the conversion of  oil, lipid, and fats…

Q: Which statement describes the results of this reaction: 6 CO2 + 6 H2O + Energy C6H1206 + 6 02 ?

A: CO2 is reduced and H2O is oxidised.

Q: 140 120 Super- critical fluid A 100 CO,(s) Co,(1) 80 Critical point 30.98°C, 60 72.79 atm 40 В 20…

A: Asked : Slope of the line BC is asked for the given phase diagram.

Q: Give the number of valance and core electrons for each. Valence electrons are from the group number.…

A: Valence electrons  are the one that occupies  the outermost shell or highest energy level of an atom…

Q: Given: 2KI +Pb(NO3)2 --> PbI2 + 2KNO3.  How many grams of lead (II) iodide are produced if 0.250…

A: 2KI +Pb(NO3)2 --> PbI2 + 2KNO3 Thus, 2moles of KI with 1mole of Pb(NO3)2 gives 1 mole of PbI2…

Q: For this question, use the following reaction and Kc value: 2NH3 (9) * N2(9) + H2(9) Kc = 3.4 x 10-4…

A: The forward and reverse reactions have the same rate when a reaction is in equilibrium. The amounts…

Q: Identify any combination reactions.

A: Chemical combination means when two reactants combines together to form a single product.  Chemical…

Q: Which of the following happens in all chemical reactions (involving molecules) in all living…

A: Energy can be in any forms. Energy  has the ability to work. It can be converted into any forms.

Q: 1.23 g sample of acetic acid (HC2H3O2) was burned in excess oxygen in a bomb calorimeter. The…

A: Initial Temperature= 23.77 degree celsius Final Temperature= 27.95 degree celsius Weight of sample=…

Q: Which of the following can diffuse most easily through the cell membrane?     H2O     Propane…

A: The cell membrane surrounding the cell is responsible for separating the cytosol from the external…

Q: Which properties of water best explains why organisms resist temperature changes, although they give…

A: Water is utilized for help, temperature guideline, transport of body liquids, and response climate.…

Q: Nitrogen and hydrogen react to form ammonia, like this: N2(g)+3H2(g) → 2 NH,(g) Imagine 56. mmol of…

A: Chemical reactions and equilibriums are usually monitored by the Le-Chatelier's principle. The…

Q: Which of the following is an organic molecule?a. CO2 c. H2Ob. O2 d. C6H12O6

A: Organic molecules are made up of carbon atoms that form long chains or rings.

Q: If we removed a neutron from an atom, what would happen to the atom? Group of answer choices: a) its…

A: Atoms are the smallest unit of any matter in the universe. The electron revolves around the atoms in…

Q: Balance these chemical equations. (Use the lowest possible whole number coefficients.)

A: Using  the lowest possible whole number coefficients the balanced chemical reactions are:-  (d)…

Q: elow is a diagram illustrating electron shells around a chloride ion. Keeping in mind that chloride…

A: Chlorine is a chemical element with atomic number 17 and the symbol is Cl. It is the second lightest…

Q: In the Chemical Changes experiment (E3) on copper, which of the steps can be omitted if our goal is…

A: The cycle of copper reactions basically a cyclic chain of multiple reactions involving copper, as…

Q: Which of the following equations is correct?   options:   FAD+ + 2 electrons à FADH2   FAD + 2…

A: Answer -- FAD + 2 electrons + 2 protons à FADH2

Q: Examine the chemical equation below, and label each reactant and product.  (which is a reactant and…

A: The substance which “participates in a chemical reaction” is called reactant. This reactant may be a…

Q: Chloroform is a volatile (readily changes from liquid phase to gaseous phase) once commonly used in…

A: Chloroform is an organic compound which is colorless, strong-smelling, dense liquid with a formula…

Q: When copper and sulfur react, two products are possible: copper(I) sulfide, Cu2S, and copper(II)…

A: For copper(I) sulfide 2Cu(+1) + S(-2) gives Cu2S Copper(II) sulfide Cu(+2) + S(-2) gives CuS These…

Q: A student drew atomic models of four elements. Tin, because it has five energy levels with four…

A: Neon - It's a chemical element, it's symbol is Ne and it's atomic number is 10 , it's a nobel gas,…

Q: Oxygen has 8 protons, 8 neutrons, and 8 electrons. What is its atomic mass?(a) 8 (b) 16 (c) 24 (d)…

A: In the atmosphere, different elements, atoms, molecules are present like nitrogen, hydrogen, carbon,…

Q: Compound X has the above properties. Compound X is   a. C2H5OH b. C2H5Cl c. C2H5COOCH3 d. C2H6

A: Asked : Correct option which is compound X

Q: The following items are ions: O Na+, NO2, H+ O CO2, K+, Ca+ Na+, H+, K+ СО2, Н20, NO2

A: The human body contains many ions such as sodium, potassium, calcium, chloride ions.  They are…

Q: Put approx. 10 mL of vinegar (HC2H3O2) in a short glass bottle and add 1 piece of rust-free small…

A: Result: Iron(III) acetate Fe-(CH2COOH) will form. Observation: There will be a brown color coating…

Q: Direction: Match the following isotopes by tracing a line in column A to its uses in column B. Iron…

A: Isotopes are atoms of the same element that contain an identical number of protons, but a different…

Q: In H2O how many hydrogen (h) atoms are present

A: Answer- 2 atoms. In H2O 2 hydrogen atoms are present.

Q: If one mole each of CH4, NH3, H2S, and CO2 is added to 1 liter of water in a flask (1 liter of water…

A:

Q: Why is oxygen when unbound to any other material can be toxic to life?

A: Life as we know it takes many diverse forms, from the largest whales to the tiniest unicellular…

Q: What is the written the equation for the reaction between Hydrogen and Oxygen that produces water?

A: Water (H2O) is composed of hydrogen and oxygen.  Hydrogen will react with oxygen when it is ignited…

Q: What is the total number of valence electrons in CO 2?     14     16     19     20     24

A: Add all the valence electrons of each atom . C --> 4 O --> 6 ( two oxygen atom present) = 6 ×…

Q: In the following chemical reaction, which compounds are the products? Carbon dioxide + Water → Sugar…

A: For any reaction to get complete substrate is required. The resultant is called as product.

Q: Iodine has 37 known isotopes.  Therefore, the atomic mass has a range of 108-144 amu. Which of the…

A: Iodine is a trace element that is naturally present in some foods, added to others, and available as…

Q: Balance each of the following redox reactions occurring in acidic solution.…

A: Use the step :Step 1 - Balance the oxidation and reduction half cell reactions separately Step 2-…

Q: There are approximately 1022 molecules in a single medium-sized breath of air and approximately 1044…

A: Given, there are approximately 1022 molecules in a single medium-sized breath of air. And there are…

Q: An Element from Group 5A and Group 6A shared a Chemical Bond. This entails that ____________ .…

A: Chemical Bond refers to the making of a chemical bond between 2 or more atoms, molecules, in order…

Q: Classify the following reactions by what atoms do. Note: There may be more than one classification…

A: 1st reaction is a type of acid bas, gas forming reaction.. 2nd reaction is a type of redox…

Q: + H2 → Ag + HCl none of the above Identify any decomposition reactions. (Select all that apply.)…

A: The method or effect of breaking down a single chemical object into two or more fragments is known…

Q: The pOH of a solution of NaOH is 11.30. What is the [H+] for this solution? O 2.0 x 10-3 O 2.5 x…

A: pH is the measure of the concentration of hydrogen ions in a given solution. It is measured on a log…

Q: A chemist reported that carbon dioxide gas at −78 °C was kept in the laboratory. Which property of…

A: Gas is one of the forms of water. It has several properties such as expansion, easy to be…

Q: In 5H2O how many hydrogen (H) atoms are present

A: Hydrogen atom is chemical atom which has atomic mass and number as 1. It has a single proton In it's…

Q: Using collision theory, indicate which of the following statements regarding physical nature of the…

A: Collision theory states that for a chemical reaction to occur the molecules must collide with…

Dissection

Dissection is the process of cutting up the tissue of a dead or live animal or plant, to do anatomical studies and surgical treatments. The purpose of dissection is to learn more about the overall structure of organs and organ systems and thereby understand the physiology of the organism.