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1. Classify each of the following reactions as endothermic or exothermic. a) CaCO3 (s) -----> CaO (s) + CO2 (g) ΔHrxn = +177 kJ b) 2C (s) + H2 (g) + 21 kJ -------> C2H2 (g) c) H2 (g) + F2 (g) -------->

asked Oct 7, 2024

1 answer 183k views

Alma loves to shop for bargains. Choose the correct word or phrase to complete each of her sentences. Fui a la tienda Mejor porque tienen los precios a los más b. el más bajos Please select the best answer

answered Sep 28, 2024

1 answer 162k views

What were Tecumseh's reasons for proposing a Native American confederacy? a) Tecumseh believed a confederacy would encourage American Indians to work together. b) Tecumseh believed a confederacy could

asked Sep 24, 2024

1 answer 23.4k views

Write in C# program. Objective: Windows Form Application Problem: Write a simple calculator with the GUI in the figure below. The calculator behavior will be the same as a simple calculator found on Windows

answered Sep 15, 2024

1 answer 28.1k views

A confined space is a room or space having a volume less than _____ cubic feet per 1,000 Btu/h of the (4.8m 3 /kW) of the aggregate input rating of all appliances installed in that space

answered Sep 10, 2024

1 answer 159k views

What percentage is 160 grams of 4 kg?

answered Jul 24, 2024

2 answers 151k views

What is the diameter of a hemisphere with a volume of 2507 in³, to the nearest tenth of an inch?

asked Jul 12, 2024

2 answers 41.9k views

Financial efficiency measures how effective the business is in generating revenue from the production and management decisions. A. True B. False

asked Jun 28, 2024

1 answer 82.6k views

Zach looked at data displayed in a table on his local health district. People were asked questions about certain health behaviors. It compared the number of people answering “yes” in Zach’s district to

answered Jun 10, 2024

1 answer 175k views

Write the slope-intercept equation of the line that passes through the points (1, −2) and (4, 4).

asked May 19, 2024

1 answer 225k views

What AR describes the components of a unit AT and LDS program?

asked Apr 14, 2024

1 answer 147k views

Solve the initial value problem for the Cauchy-Euler equation: t²y''(t) + 7ty'(t) + 5y(t) = 0 with initial conditions y(1) = -1 and y'(1) = 13. Find the solution for y(t).

answered Feb 24, 2024

1 answer 101k views

Democratic theorists criticize the courts on the grounds that they are

asked Feb 18, 2024

1 answer 224k views

Lowering the levels of what substance is the primary target in preventing CHD?

asked Jan 26, 2024

1 answer 159k views

three women earned a total of £36 they shared the £36 in a ratio 7:3:2 Donna receives the largest amount work out the amount Donna receives .

answered Jan 7, 2024

2 answers 107k views

A secondary school has a population of 1500 students and 30 standard classrooms. Assuming a 5-day class week with solid waste pickups on Wednesday and Friday before class starts in the morning, determine

asked Jan 3, 2024

1 answer 232k views

Big ideas math question

answered Oct 6, 2023

2 answers 135k views

Given the function f(x) = -x2 + 3c", then what is f(x) – 1 as a simplifiedpolynomial?

asked Aug 14, 2023

1 answer 117k views

Brody earns $14 per hour for the first 40 hours worked in a week and $21 per hour for any hours over 40 that he worked. Brody earned $812 for one week. How many overtime hours did Brody work that week?

answered Jul 15, 2023

1 answer 8.8k views

A Usted _____ _____________ el medio ambiente (the environment). (importar)

answered Jun 8, 2023

1 answer 21.4k views

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