Recent activity by Kalpa Gunarathna

Question

A store sells a package of 15 trading cards for $4.20. Find the price per card.

answered Nov 6, 2023

1 answer 96.0k views

Consider these equations: 2S (s) + 3O2 (g)→2SO3 (g), ΔH = −792 kJ 2S (s) + 2O2 (g)→2SO2 (g), ΔH = −594 kJ 2SO2 (g) + O2 (g)→2SO3 (g), ΔH =? What is the missing ΔH? a. −294 kJ b. −198 kJ c. +198 kJ d. +294

answered Oct 30, 2023

2 answers 135k views

A surveyor asked 250 residents of a town with a population of 15,000 on whether they fish in any of the town's lakes. 95 people answered "yes" to the question. How many people would be expected to answer

asked Jul 11, 2023

1 answer 170k views

Which is the limiting reactant when 12.0 mol of CH4 are reacted with 20.0 mol of O2 in the following equation?CH4 + 2 O2 ---> CO2 + 2 H20a. O2b.CO2c. CH4d. H20

asked Jul 4, 2023

1 answer 108k views

Stopping Distance Frequency 48.0 ft 1 49.0 ft 2 50.0 ft 3 51.0 ft 2 52.0 ft 2 The stopping distance for 10 cars traveling at 55 miles per hour is shown in the table above. What is the mean (average) stopping

answered Apr 10, 2023

1 answer 52.2k views

What is the velocity of a car that traveled a total of 75 km north in 1.5 hours

answered Apr 5, 2023

1 answer 142k views

Given the two similar triangles above, what is the measure of side DF?

answered Mar 8, 2023

2 answers 57.5k views

I need to know the system of equations graphed below

answered Jan 7, 2023

1 answer 86.6k views

Total amount of atoms in this?

answered Dec 18, 2022

1 answer 87.2k views

What is the slope of the line that passes through the points (-10,-8) and (-8,-16)? Write your answer in simplest form. Please help

answered Nov 11, 2022

1 answer 24.5k views

Help pls , thank you for all who comment ! <3

asked Jul 28, 2022

1 answer 123k views

I grew, day by day, more moody, more irritable, more regardless of the feelings of others. I suffered myself to use intemperate language to my wife. At length, I even offered her personal violence. Which

asked Jul 6, 2022

1 answer 103k views

What were Agent Orange and napalm? contagious diseases suffered by U.S. troops part of the undergrowth that was problematic for U.S. forces elements of U.S. chemical warfare secret operations of the Viet

answered Jun 17, 2022

1 answer 149k views

Convert the following as instructed 67 kg into gram explain step by step please reply quickly its urgent

asked Apr 22, 2022

1 answer 146k views

Which learning process is used most for learning a physical movement?

answered Mar 21, 2022

2 answers 135k views

2n+15/4 ft how many feet

answered Mar 14, 2022

1 answer 183k views

Raul works at a movie theatre. The function f(x) represents the amount of money Raul earns per ticket, where x is the number of tickets he sells. The function g(x) represents the number of tickets Raul

asked Mar 5, 2022

1 answer 168k views

2 Missing Numbers (Source: Daily Routines to Jump-Start Math Class) Insert any numbers between 1 and 9 only to make the equation have NO solution. x+ = D X + + Virtual Nerd Video Support: Solving Equations

asked Mar 3, 2022

1 answer 19.5k views

These marbles are placed in a bag and two of them are randomly drawn. What is the probability of drawing two yellow marbles if the first one is NOT placed back into the bag before the second draw? Give

answered Feb 16, 2022

1 answer 30.7k views

I know the answer is 1 but I need to show it with positive and negative tiles and I don’t know what to put. Draw Algebra Tiles to help you solve the following question: 4 - (-5) =

asked Feb 13, 2022

1 answer 231k views

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