Recent activity by Oskar Jensson Fjeld

Question

Small quantities of oxygen can be prepared in the laboratory by heating potassium chlorate, KClO₃(s). The equation for the reaction is 2KClO₃ ---> 2KCl + 3O₂ Calculate how many grams of O₂ (g) can be produced

asked Dec 19, 2024

1 answer 86.8k views

A study found that 9% of dog owners brush their dog’s teeth. Of 578 dog owners, about how many would be expected to brush their dog’s teeth? Explain. A. 50; 9% ≈ 10% and 578 should be rounded down to 500;

answered Dec 16, 2024

2 answers 143k views

Read this excerpt from lines 37 and 38 from the poem. "i don't ask for a ticket and he doesn't offer one." what can the reader infer about the speaker based on the excerpt from these lines? question 2

asked Nov 5, 2024

1 answer 210k views

If a 6.0 kg block of an unknown material suspends from a spring scale submerged in water reading 50.8 N, what is the specific gravity of the block? a) 1.0 b) 3.0 c) 4.0 d) 5.0

answered Oct 9, 2024

1 answer 33.9k views

Describe a micelle in a polar solvent with a nonpolar stain

asked Sep 5, 2024

1 answer 25.7k views

Suppose 23.0L of carbon dioxide gas are produced by this reaction, at a temperature of 250.0 degrees C and pressure of exactly 1 atm . Calculate the mass of calcium carbonate that must have reacted

answered Aug 13, 2024

1 answer 89.6k views

Use line direction to: A. eliminate the imaginary cross contour lines of fabric. B. hide the underlying form of the fabric. C. show the undulating forms of fabric.

asked Jul 26, 2024

1 answer 200k views

Heavy machinery, equipment, or parts which are suspended or held aloft by use of slings, hoists, or jacks must be ______________ to prevent falling or shifting before employees are permitted to work under

asked Jul 11, 2024

1 answer 107k views

How did anciant Greeks develop theories?

asked Jul 6, 2024

1 answer 207k views

it costs $73.80 to fill up a 15 gallon gas tank and $14.76 to fill up a 3 gallon tank. What is the constant of proportionality that relates the cost in dollars, y, to the numbers of gallons of gas, x?

asked Jul 5, 2024

1 answer 132k views

Part 6 Computation (12 points) 1. Calculate the average atomic mass of Iron using the chart provided. (6pts) Isotopic symbol 54Fe 56Fe 57 Fe 58Fe Natural Abundance (%) 5.8 91.7 2.2 0.3

asked May 17, 2024

1 answer 53.3k views

A last ditch method for identifying connections in a old multilayer circuit board that I have come up with, when you have a spare, is to put the board in salt (NaCl) solution and connect a power supply

asked May 3, 2024

1 answer 115k views

The guy told me that he didn't take the doll. Well, that makes me feel a lot better. a) Evaluate the use of music b) Discuss character relationships c) Analyze the tone of the song d) Identify the central

asked Apr 18, 2024

1 answer 199k views

what is y- coordinate of every point along this line? use your answer to part a) to write the equation of the line

answered Apr 9, 2024

1 answer 133k views

Which of these is the responsibility of public health? a. food inspection b. self-exams for breast and testicular cancer c. disease diagnosis d. surgery

answered Mar 20, 2024

1 answer 53.3k views

The joint probability mass function (PMF) of two random variables x and y is given as: 0.01, x=1,2,...,10, y= 1,2,...,10 Pₓᵧ(x,y) = { 0, Otherwise a. find the PMF of W = min(X,Y) b. Let A be the event

answered Jan 28, 2024

1 answer 166k views

Find the value of x that makes ABCD a parallelogram.1302x1305O A. 45O B. 65O 0 0 0C. 50O D. 25

answered Dec 25, 2023

1 answer 105k views

One card is randomly drawn from a deck of 52 cards. What is the probability of getting a jack or a spade?

answered Oct 27, 2023

1 answer 10.0k views

The graph below describes the appeals filed by type of appeal in the US court of appeals, 1990-2010 Based on the graph which conclusions can be drawn about court cases in the U.S. A. More criminal actions

asked Oct 1, 2023

2 answers 72.9k views

Graph a sine function whose amplitude is 5, period is 6π , midline is y=−2, and y-intercept is (0,−2). The graph is not a reflection of the parent function over the x-axis. Use the sine tool to graph the

answered Sep 7, 2023

2 answers 125k views

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