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Wesley

Questions (65)

An ideal gas maintained at 25°C expands against a constant external pressure of 1.0 atm from an initial volume of 1.0L to a
1. 1 answer
2. 48 views
An ideal gas maintained at 25°C expands against a constant external pressure of 1.0 atm from an initial volume of 1.0L to a
1. 1 answer
2. 47 views
Calculate q, change in U, change in H and change in S for the process of heating 4 mol of O2 adiabatically at a constant
1. 1 answer
2. 64 views
Calculate w, q, change in H and change in S for an adiabatic reversible compression of 0.8g of a ideal gas ( molecular weight is
1. 1 answer
2. 53 views
An ideal has ( Cp,m= 28.8 J/mol/k) is expanded reversibly and adiabatically from a volume of 2.0 dm-3 at a pressure of 4 ATM and
1. 1 answer
2. 62 views
The half life of a pollutant is 0.9 per year. If the decomposition of the pollutant in water is 15°C follows a first order
1. 0 answers
2. 64 views
The half life of a pollutant is 0.29 per year. If the decomposition of the pollutant in water is 15°C follows a first order
1. 1 answer
2. 78 views
A specially set 40 cm Five-bottom disc plow was used for a ploughing operation. If there was a 5% overlap in cutting width and
1. 1 answer
2. 77 views
An indigenous plough has a 20cm wide furrow at the top and 10cm depth. Calculate the volume of soil handled per day of 8 hours
1. 1 answer
2. 56 views
Determine the power required to pull a 4-bottom 30 cm plough, working to a depth of 15 cm. The tractor is operating at a speed
1. 1 answer
2. 75 views
Determine the horse power required to pull a 4-bottom 30 cm plough, working to a depth of 15 cm. The tractor is operating at a
1. 1 answer
2. 62 views
A specially set 40 cm Five-bottom disc plow was used for a ploughing operation. If there was a 5% overlap in cutting width and
1. 1 answer
2. 78 views
What are the reactants in a chemical formula
1. 1 answer
2. 80 views
The framers used which governmental structure as a foundation of their political thought?
1. 15 answers
2. 117 views
What is the definition of climate
1. 0 answers
2. 92 views
A steel gas can holds 20 L at 10°C. Its filled to the brim withgas at 10°C. If the temperature now increases to 25°C, by how
1. 1 answer
2. 229 views
calculate the electrical current necessary to produce 1000 kg of cl2 gas
1. 1 answer
2. 491 views
For a second order reaction, it is 20% complete in 500 seconds at 300K and 20% complete in 200 seconds at 350K. Calculate the
1. 1 answer
2. 269 views
Two gases HBr and CH4 effuse through a small opening. HBr effuses through the opening at a rate of 4 cm^3 s^-1. At what will the
1. 3 answers
2. 327 views
100mL of oxalic acid (H2C2O4) requires 35mL of 0.04 M KMnO4 to titrate it to the endpoint. calculate the molarity of the oxalic
1. 1 answer
2. 541 views
The daily demand of type I, type II and type III is respectively 600 loaves, 750 loaves and 500 loaves. The per unit cost to the
1. 0 answers
2. 278 views
The daily demand of type I, type II and type III is respectively 600 loaves, 750 loaves and 500 loaves. The per unit cost to the
1. 5 answers
2. 465 views
The national income of a company in 1964 was 30 million dollars. It grows at 4% per annum. Using base unit of 10 million dollars
1. 4 answers
2. 287 views
if the decomposition of a compound to its product is second order with respect to the reactant and its concentration decreases
1. 1 answer
2. 213 views
if the decomposition of a compound to its product is second order with respect to the reactant and its concentration decreases
1. 0 answers
2. 271 views
A certain biomolecular reaction at 35◦c has an activation energy of 20kjmol^-1. The addition of a catalyst reduces the
1. 1 answer
2. 274 views
Using a current of 4.0A, how many hours would it take to deposit a silver using coating of 0.2mm thick on a metal with a surface
1. 1 answer
2. 453 views
A certain quantity of electric charge deposited 9.14 g of Al at the cathode during electrolysis of a solution of Al^+3(aq). What
1. 2 answers
2. 665 views
Using a current of 4.0A, how many hours would it take to deposit a silver coating of 0.2mm thick on a metal with a surface area
1. 0 answers
2. 313 views
A certain quantity of electric charge deposited 9.14 g of Al at the cathode during electrolysis of a solution of Al^+3(aq). What
1. 0 answers
2. 308 views
Calculate the volume of gas liberated at the anode at STP during the electrolysis of a CuSO4 solution by a current of 1 A passed
1. 2 answers
2. 1,246 views
Ama,Kofi and Kwame are to share 16 cedis.Ama had 1over4 of the money and Kofi and Kwame shared the remaining in the ratio 2:3.
1. 1 answer
2. 410 views
Where is my Easter basket? Plz Help:You're a thinker and you're an achiever Who discovers how stuff's engineered You will take
1. 0 answers
2. 251 views
What's Hydride?
1. 1 answer
2. 413 views
To go in a new direction than the one that was planned
1. 1 answer
2. 192 views
Provides direction to a specific destination
1. 0 answers
2. 178 views
how many grams of iron (111) sulfite pentahydrate are required to prepare a solution that has the equivalence of 0.339g of iron
1. 1 answer
2. 561 views
1. According to the data table below, what is the unemployment rate?:Total Population: 1,500 Population under 16 or
1. 3 answers
2. 2,498 views
The combustion reaction of propane is described by the reaction.C3H8 + 5O2 → 4H2O + 3CO2. How many moles of O2 are required to
1. 3 answers
2. 1,823 views
please correct this pigin-How many years i take senior you.
1. 1 answer
2. 573 views
what is the mode of nutrition,habitat, economic importance, classifications scientific name, observable features and adaptation
1. 1 answer
2. 429 views
what is the scientific name of earthworm, classification, habitat, economic importance,observable features, adaptation.
1. 1 answer
2. 556 views
X is a point 2800 m East of Y. Due North of X is another point Z whose bearing from Y is N63°E. P is due North of Y and its
1. 1 answer
2. 796 views
Houses are arranged in a school compound. Thus, Blue house is 4 km due East of Red, Yellow is 3 km due South of Blue and Green
1. 2 answers
2. 945 views
A road runs from P to Q on a bearing of 140° and continues in the same direction. The bearings of R from P are 092° and 056°
1. 0 answers
2. 461 views
A 175-N box is placed on an inclined plane that makes a 20.0° angle with the horizontal. Find the component of the weight force
1. 1 answer
2. 807 views
What is the pressure exerted on the ground by a cube which has a weight of 600N and a side of 1m2
1. 2 answers
2. 1,290 views
Your change from R50,if you spend y rand
1. 1 answer
2. 525 views
calculate the amount of heat required to decompose 8 mol of NaHCO3(s)2NaHCO3(s) + 94000 J = Na2CO3(s)+ H2O(g) + CO2(g)
1. 1 answer
2. 937 views
In my organic lab, we synthesized synthetic banana oil. I'm asked what gas escaped during the sodium bicarbonate washing and to
1. 1 answer
2. 576 views
On an air track, a 403.0 glider moving to the right at 1.70 collides elastically with a 500.5 glider moving in the opposite
1. 0 answers
2. 498 views
On an air track, a 403.0 glider moving to the right at 1.70 collides elastically with a 500.5 glider moving in the opposite
1. 1 answer
2. 573 views
The temperature was 30 colder at midnight than it was at noon. If it was 15 C at midnight, what was the temperature at noon?
1. 1 answer
2. 427 views
Here goes...1. Consider a model in which an individual lives two periods: this period (time one) and next period (time two).
1. 0 answers
2. 1,005 views
Pre Algebra QuestionsSketch a model and obtain the sum. 3 + (-7)
1. 1 answer
2. 954 views
These are the two problems from my homework I don't get.. can you help me?A: y=2x-x^3 [0,1] use the limit process to find the
1. 0 answers
2. 530 views
How to create an organism, using CYCLO, Ocular and PLAST
1. 0 answers
2. 349 views
During a 220 meter relay race, Jack begins at the starting line and runs for 4 minutes and then passes the baton to Jill. She
1. 1 answer
2. 1,120 views
My aunt works at Woods Hole as a scientist.What are the nouns in the sentence? Is is aunt, Woods hole and scientist?
1. 3 answers
2. 1,006 views
What is simple predicate?Its legs make it one of the world's fastest insects. Would it be make?
1. 1 answer
2. 529 views
Simple predicate?The history of these pests may surprise you. Would it be may?
1. 3 answers
2. 854 views
What is simple predicate?These insects are strange and amazing creatures. Would it be are?
1. 3 answers
2. 1,033 views
What would be the simple predicate?The insects' bodies can turn wood into food. I think it would be turn.
1. 2 answers
2. 692 views
Mack is 3 times as old as Justin. In 3 years, Mack's age will be 5 more years more than 2 times as old as Justin. How old are
1. 1 answer
2. 513 views
Hi, I am writing a sentence outline on the subject of World War II; more precisely, the events that led to the war. I am
1. 2 answers
2. 618 views

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