A tank with 43.2 kg of water is leaking at a rate of 0.0135 kg/s. How many hours will it take until the tank is completely empty?

Q: Predict the result of leaving the anhydrous crystals uncovered overnight.

A: Given :- Anhydrous crystals To find:- Result of sea wing Anhydrous crystal uncovered overnight.…

Q: Calculate the normality of 0.00542 Ca(OH)2 Select one: O a. 0.00542 Ob. 0.00181 Oc 0.01626 Od.…

A: Relation between normality and molarity: Normality = n x Molarity Where, n = acidity of base ie…

Q: While assembling the equipment and raegents for this investigation, suppose you spilled 500 mL of 1M…

A: IF you spill 500mL of 1 M HCl. on your jeans you should do the following things.

Q: The volume of blood ejected by the humming birds heart per beat is approximately 1cm3. The average…

A: Volume of blood ejected in one beat = 1 cm3 Volume of blood ejected in 1250 beats (1 min): Volume=1…

Q: Does water density appear to be more sensitive to a change in temperature at point A or point B?

A:

Q: A cube of sugar (p = 0.85 mg/ml) is dropped in a glass of tea at a rate of 0.02 L/sec. it take about…

A: Given : Density of sugar = 0.85 mg/mL Rate of addition of sugar = 0.02 L/sec And time = 5 s

Q: Write a descriptive information about Filtration and Evaporation.

A: Filtration and evaporation  are separation methods. These separation methods are used to separate…

Q: If it takes 9.47 minutes to fill a 60.0 gal gas tank, calculate the gasoline flow rate in mL/s.

A:

Q: A 31.5 g wafer of pure gold initially at 69.8°C is submerged into 63.4 g of water at 27.8 °C in an…

A: q = c*m*∆T q = heat  c = specific heat capacity m is the mass of substance ∆T is the change in…

Q: How many grams of water can be heated from 25.0 °C to 80.0°C using 12500.0 Joules?

A: The heat required to raise the temperature of a substance can be expressed as :

Q: A)I,ii and b)I and ii

A: A question based on introduction to organic chemistry that is to be accomplished.

Q: A 571.4 mL sample of carbon dioxide was heated to 371 K. If the volume of the carbon dioxide sample…

A: According to ideal gas equation, temperature is directly proportional to volume of the gas.  ideal…

Q: Calculate the AH for evaporating 3.00 grams of water and AH for Condensing 20 grams of water.

A: Enthalpy of vaporization is the amount of energy that must be added to a liquid substance to…

Q: Draw 6 water molecules in each beaker below.  On the left should be 6 liquid water molecules. On the…

A: The rate of evaporation is inversely proportional to strength of intermolecular forces.  Solids have…

Q: Let's go back once more to the top of Mount Everest. You wanted to cook a potato as quickly as…

A: We would of course using boil the potato.

Q: 1. What pieces of apparatus or equipment are used for measuring: a. Temperature? b. Small amount of…

A: Answers of above questions given below.

Q: One of the volunteers suggests hiring an on-site water treatment company to remove the arsenic from…

A:

Q: 12. Pure chlorine enters a process. By measurement it is found that 2.4 kg of chlorine pass into the…

A: Molar Flow Rate  : It can be defined as the no of moles (n) of a substance passed through a line per…

Q: Object C: Mass: 3.1 grams Volume: 5.8 cm Density: 53 g/cm up 3 Object E: Mass: 4 grams Volume: 4 cm…

A: Since you have posted multiple independent questions in the same request, we will solve the first…

Q: 315mL of water was added to 2100 mL of 19M NaCl solution. What is the new concentration of the…

A: Note : Since you have posted multiple questions, we are entitled to answer the first only. Please…

Q: there is a set of absorbance data that you have obtained while doing an experiment studying the…

A: A question based on quantitative analysis, which is to be accomplished.

Q: Subject : Chemistry and Environmental Pollution Explain the role of atmospheric water in…

A: Role of atmospheric water in controlling the earth:  In the climate change, the atmospheric water is…

Q: Explain and briefly explain how transportation experts assess the unique hazards that their firms…

A:

Q: he sink–float method is often used to identify the type of glass material found at crime scenes by…

A: We have to identify different types of glasses.

Q: One of the treatments of water for domestic use is to allow the water into large tanks where a…

A:

Q: 27. When it rains on you, which process just occurred? 28. In which state of matter is atmospheric…

A: A) When it rains, the condensation process takes place. Water evaporates from the earth's surface in…

Q: Solid particles sticking together to form larger particles describes the process of   a. accretion.…

A: Accretion is a process of solid particles sticking to one another to form a larger particles.

Q: Porosity is a measure of the void or empty spaces in a material and is a fraction of the volume of…

A: In order to find the density of the salt solution, we have to find the volume of the salt solution…

Q: Question No. 13. Oil spillage at workshop affects Environmenat and Equipment safety Equipment and…

A: Oil.spilage affect human society

Q: A cube of sugar (p = 0.85 mg/ml) is dropped in a glass of tea at a rate of 0.02 L/sec. it take about…

A: Given : Density of sugar = 0.85 mg/mL Rate of addition of sugar = 0.02 L/sec And time = 5 s

Q: Flocculation is best described as: O A way to kill pathogens in drinking water O A way to remove…

A: Flocculation is a two step particle aggregation process in which a large number of small particles…

Q: Pure oxygen diffuses through an aperture in 224 seconds, whereas a mixture containing 80% oxygen gas…

A:

Q: The distance from Earth to the Sun is 1.50 x 10 km. What is the distance expressed in gigameters?…

A: Convert Km to Gm ---

Q: 13.2. A blimp rises because it is filled with Helium gas which has a smaller molecular mass than air…

A: The expression of the ideal gas equation as follows: PV = nRT

Q: A student must prepare 7.00 L of 0.100 M Na2CO3 (106 g/mol). Which is the best procedure for…

A: Given that: 7 L of 0.1 M Na2CO3.  Now, 7 L of 0.1 M Na2CO3 =  7 L x 0.1 mol/L…

Q: 10. A student reacted dilute nitric acid with lead (II) oxide to prepare lead(II) nitrate. The…

A: Common chemistry laboratory apparatuses : Equipments that are used in experiments are called…

Q: The minimum level of mercury levels in water considered safe is 1 part per billion (ppb) by weight.…

A: The volume of water is = 8.52 L The concentration of mercury in the water sample is = 0.59 parts per…

Q: Create an infographic regarding the Imperfections of solids and Diffusion in Solids.

A: Imperfections in solids are the irregularities in the arrangement of atoms around a point in a…

Q: Porosity is a measure of the void or empty spaces in a material and is a fraction of the volume of…

A:

Q: Before investigating the scene, the technician must dilute the luminol solution to a concentration…

A: Given : molar concentration of dilute solution of luminol = 4.00 × 10-2 M  Volume of solution = 2.00…

Q: as a laboratory analyst how can you reduce your waiting time during filtration

A: Filtration  is done so as to avoid The unwanted  side products .

Q: 1. The density of ice at 0°C is 0.9168 g mlL"", and that of liquid water at 0°C is 0.9999 g mL-!.…

A: Since you have posted multiple questions, we are entitled to answer the first only. 1) Given:…

Q: A chemical analysis shows that a sample contains 250.0 micrograms of uranium in 4.0x104 grams of…

A: Mass of uranium = 250 mg = 0.250 g Mass of water = 40000 g

Q: You have mixed crushed mothballs in a sand, you want to purify the sand, you will do (pick the best…

A: Mothballs: These are made up of naphthalene and paradichlorobenzene. They exist as solid at room…

Q: A preparation of soda ash is known to contain 98.6% Na2CO3 (105.99 g/mol).  If a 0.678-g sample…

A:

Q: Wind power plants cannot change the and wild life. a. Water level O b. Solid waste O c. Panel d.…

A: Explained as follows

Q: 2. Fifty cubic meters of water containing 28mg/L solids passes the Gallo River in one minute. There…

A:

Q: A 1.06 den silk fiber has reached its maximum tenacity value. How many grams (force) would it take…

A: Given: Specification of silk fiber = 1.06 den It has reached maximum tenacity value. We know that,…

Q: Why rubber,cotton, wax and wood consider deformable materials? explain EACH why

A:

Q: 19 When a drop of oil is placed on the water's surface, the maximum area covered by the oil as it…

A: When a drop of oil is placed on the water's  surface the maximum area convered by the oil aas it…