Of the choices below, select all of the GHS pictogram terms that apply to 3% hydrogen peroxide solution. Human health hazards Irritant Gas under pressure

Q: When heating a test tube: It can sit directly on the countertop to cool Never look directly into…

A: When heating the test tube we should have to take certain care , so there should be no damage in lab…

Q: [Review Topics] SIMULATION Temperature Changes from Heat Transfer Material: Glass + Heating…

A: mass of the glass  block (m) = 5.0 g Amount of heat transfer (q) = 100 J Initial temperature (Ti) =…

Q: Calculate the standard reaction entropy of H2(g)+1202(g) → H2O (1) at 25°C. Given that Smø (H2O,/) =…

A: Answer:- This question is answered by using the simple concept of calculation of entropy cahnge for…

Q: Why small grain size metals have the temperature environment greater mechanical strength than if…

A: The size of the grains plays an important role in the characteristics of the material, ranging from…

Q: Convert 1 bar to lbm/ft-s2 Please show step by step solution. Thanks.

A: The quantities which come across during the scientific studies are named as physical quantities. The…

Q: 4. On observation of absorbant changes in a chemical reaction at a maximum wavelength of 540 nm are…

A: S.No. Absorbance  Time (min-1) 1 0.119 0 2 0.108 20 3 0.096 47 4 0.081 80 5 0.071 107 6…

Q: The rusting of iron is an exothermic reaction, 4 Fe (s) + 3 O₂ (g) → 2 Fe₂O₃ (s). When the coatings…

A: As given Rusting of Iron is exothermic process 4Fe(s)+3O2(g)→2Fe2O3(s)+ energy now as we are are…

Q: Calculate the half-life of a first-order reaction if 66% of the reactants are reacted within 66 s.

A: Given- Reaction is first order reaction assume reactant is 100% Reactant reacted =66% Reactant…

Q: Define reflux and define boiling point

A:

Q: In feed condition, which will be the which q? (among partial vapor, cold liquid, saturated vapor at…

A: Given A)  among partial vapor, B)   saturated vapor at dew point, C) saturated liquid at bubble…

Q: . ___________ glass fragments into small squares, or“dices,” with little splintering when broken.

A: Tempered glass is made by heating a glass pane above its transition temperature and then rapidly…

Q: How many electrons pass through a 20-2 resistor in 10 min if there is a potential drop of 120 volts…

A: given, resistance, R = 20Ω time, t = 10 min = 600 sec potential drop, V= 120 volts

Q: A cylindrical rod 100 mm long and having a diameter of 10.0 mm is to be deformed using a tensile…

A:

Q: Which of the following would be the major product of the following sequence of reactions? CH3MGBR HO…

A:

Q: Show the process please

A: Detailed explanation: Firstly, keto group protected by CH3OH as ketal formation then primary…

Q: A 7.038 gram sample of an organic compound containing C, H and O is analyzed by combustion analysis…

A: The organic compounds are made up of carbon, oxygen, and hydrogen mainly. These elements are present…

Q: 4. Carbon activated by steam generally has a fine pore structure, ideal for adsorbing both liquid…

A:

Q: 21. Why are combination welding and cutting torches considered to be more versatile? because it can…

A: A combination welding uses welding equipment to construct, maintain, and repair metal parts such as…

Q: The initial volume of the air is 3.05 L with a temperature of 22 °C and a pressure of 1.03 atm…

A: ideal gas when put in the condition of pressure, temperature then it follows, the equation PV = nRT…

Q: 1e. Briefly discuss the unique properties of plastics.

A: Plastics :- plastics are polymer or organic compounds having high molecular weight or it is a long…

Q: How many electrons pass through a 20-2 resistor in 10 min if there is a potential drop of 120 volts…

A:

Q: all the water is heated to a final temperature of 87.0°C. Use the provided data and the heating…

A: Answer-: to find all the water 87°C temperature heat required by three phase solid , liquid-solid…

Q: ____________________ is the separation of material according to density.   a. Accretion   b.…

A: Separation of material according to density is called :

Q: 9) Why do the peaks of associated with aldehydes (both in H NMR and C" NMR) appear so much further…

A: Downfield in NMR i.e. Nuclear magnetic resonance is referred to as deshielded which means that the…

Q: Lubricants are substances with high ____________ that reduce friction between working parts.

A: The substances which are used to reduce the friction between the moving surface is known as…

Q: A graduated cylinder was initially filled to the 7.5-ml mark. A 3.57-gram solid sample was placed in…

A:

Q: Write down the basic uses of chemical exfoliators? Please write at your own easy words.

A: Exfoliation is a process of removing the dead skin cells from the outer layer of the skin.  There…

Q: One picture is data to go off if needed  second picture is the questions that need to be answer show…

A: We have to find the moles of NaHCO3 and Na2CO3

Q: 18. The mass of an Iron cylinder is 125 g. The cylinder is placed into a graduated cylinder…

A: Given,mass of iron cylinder = 125 gvolume of water in graduated cylinder = 30.00 mLvolume of water…

Q: What kind of What is this What can you How material is it product for? made of? Product much say…

A: Here we have to determine kind of material it is made of, uses of product, quality of product and…

Q: 3) Please predict the structure of the following molecules with the information you are given A)…

A: Nuclear Magnetic Resonance (NMR) is an instrumental technique that is used to determine the…

Q: The HMIS label rates the material risks under normal use conditions. a.true b. False

A:

Q: The scale pattern of hair’s ___________ can beobserved by making a cast of its surface in clear…

A: Scales of most animal hair are like shingles on a roof. The cuticle is a translucent outer layer of…

Q: Given the following data obtained from pour plating, compute for the CFU/g of molds. Show your…

A: Dilution of the bottle and in each Tube Dilution (D) = added amount / Total amount  Dilution of the…

Q: 1. Br2,hr 2. Na OH 3. MCPBA 4. HzO

A: Each reagent works differently.  Br2/hv does the halogenation, NaOH act as a base and form…