Recent activity by MysticEarth

Recent activity by MysticEarth

Determine the enthalpy of reaction for 2ch₄(g) → c₂h₄(g) 2h₂(g) using the equations: 2c₂h₄(g) 7o₂(g) → 4co₂(g) 6h₂o(l) Δh° = -3120.8 kj/mol ch₄(g) 2o₂(g) → co₂(g) 2h₂o(l) Δh° = -890.3 kj/mol c₂h₄(g) h₂(g)

answered Nov 13, 2024

1 answer 149k views

How were the economies of ancient Mesopotamia, Egypt, and the Indus Valley similar? a. Most of their populations were enslaved. b. They all issued coins as money. c. They did not trade with other regions.

answered Nov 8, 2024

2 answers 115k views

Based on the context, what is the domain restricted to? 0≤x≤ 10 0≤x≤ 300 x20 R

asked Oct 3, 2024

1 answer 105k views

How might Turner syndrome affect the appearance of a female? 1) The girl might have an immature appearance, be short, lack internal reproductive organs, and have some intellectual disabilities 2) The girl

asked Aug 23, 2024

1 answer 9.5k views

Density is a measurable property of matter. How can the density of a substance be determined? A. Measure the length and weight of the substance, then multiply the length by the weight. B. Measure the mass

asked Aug 11, 2024

1 answer 228k views

Listed bolow are student evaluation ratings of courses, where a rating of 5 is for "excellont." The ratings were obtained at one univorsity in a state. Censtruct a confidence interval using a 98% confidence

asked Jul 25, 2024

1 answer 231k views

Find the value of y in the diagram below.

asked Jan 21, 2024

1 answer 125k views

Calculate 177537+87439-19673

answered Nov 13, 2023

1 answer 2.5k views

Ashlee was born on 01/28/1996. How many eight-digit codes could she make using the digits in her birthday?

answered Oct 31, 2023

1 answer 85.2k views

What is the correct noun for "cuaderno"

answered Oct 29, 2023

2 answers 39.8k views

Which aspect of U.S. politics is most closely tied to the concept indirect democracy?

asked Oct 4, 2023

1 answer 168k views

A student dissolves a spoon full of table salt (sodium chloride) in a glass of water. After the salt is completely dissolved, the major entities in the glass (other than the water itself) are: (select

asked Jun 19, 2023

1 answer 207k views

Solve the inequality 2(4x-3)>-3(3)+5x

asked May 19, 2023

1 answer 140k views

Which expression represents the word phrase the product of 3 and 6 more than a number?.

answered May 14, 2023

1 answer 153k views

Jane is saving money to buy a game. The game costs $20, and so far she has saved four-fifths of this cost. How much money has Jane saved?

asked Feb 28, 2023

2 answers 339 views

ASAP!! Arnold is planning on painting a mural. Before painting the mural, Arnold painted the picture on a paper that is 5 inches wide and 11 inches tall. Arnold is using a scale in which 1/2 inch represents

asked Jan 27, 2023

1 answer 39.6k views

1. Kamal is .... cleverer of .. two.

asked Nov 24, 2022

1 answer 215k views

Improving your cardiovascular endurance, such as aerobic activity, can get your heart pumping, make you sweaty, and quicken your breathing. When you give your heart this kind of workout on a regular basis,

answered Nov 15, 2022

1 answer 168k views

Most cappers do not want to try joey's food experiments _ they are too gross to eat

answered Oct 26, 2022

2 answers 225k views

4.4 x 10^-9 What’s this in standard form or scientific notation

answered Sep 27, 2022

1 answer 48.3k views

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