Questions by Dschatz

Questions by Dschatz

The standard enthalpy of formation of H₂O(l) at 298 K is -285.8 kJ/mol. Calculate the change in internal energy for the following process at 298 K and 1 atm: H₂O (l) → H₂ (g) + 1/2 O₂ (g) ∆E⁰=?

asked Dec 24, 2024

2 answers

0 votes

154k views

A glass rod that has been charged to + 13.0 nC touches a metal sphere. Afterward, the rod's charge is + 7.0 nC .How many charged particles were transferred?

asked Nov 25, 2024

1 answer

5 votes

186k views

Which of the following are considered an essential nutrient? 1) Carbohydrates 2) Proteins 3) Vitamins 4) Water

asked Nov 8, 2024

1 answer

3 votes

45.9k views

Which of the following foods would fall in the "Verduras" food group? La lechuga La mantequilla O La carne O Las grasas

asked Jun 18, 2024

1 answer

1 vote

158k views

today, the chemistry of the terrestrial planets does not include a lot of free hydrogen. chemists call the chemistry in places like the earth: question 18answer a. expanded b. oxidized c. comet-like d.

asked May 22, 2024

1 answer

2 votes

134 views

In a poultry farm having hens and pigs, Mawia can see 84 heads and 282 legs. How many hens are there on the farm? A. 18 B. 21 C. 24 D. 27

asked Feb 19, 2024

1 answer

3 votes

161k views

In order to show that △ABC≅△DEF by the ASA (Angle-Side-Angle) postulate, what else would need to be congruent? A) Side BC must be congruent to Side EF. B) Angle B must be congruent to Angle E. C) Angle

asked Jan 16, 2024

1 answer

3 votes

109k views

Characteristics of a number may be positive negative or always zero

asked Dec 27, 2023

2 answers

0 votes

194k views

Starting from the origin, explain how to plot the following three points accurately: (2, −2) (−2, 1.5) (−1, fraction 2 over 4)

asked Jun 19, 2023

1 answer

2 votes

115k views

Area = ft help me please ty:)

asked Apr 13, 2023

1 answer

13 votes

63.8k views

How many and of which kind of roots does the equation f(x) = x³ + 2x² + 4x + 8 have?

asked Apr 8, 2023

1 answer

2 votes

228k views

URGENT!! Statement: All integers are irrational numbers. True or False? No whole numbers are irrational numbers. True or False? Some rational numbers are not integers. True or False? Some integers are

asked Mar 20, 2023

1 answer

19 votes

148k views

7. Consider the product (3x+1)^2(a) Write this product in standard trinomial form.(b) Use your answer in part (a) to determine thevalue of 31^2 without your calculator.

asked Jan 21, 2023

1 answer

0 votes

182k views

PLEASE HELP !! I NEED HELP GUYS.

asked Dec 4, 2022

1 answer

2 votes

116k views

Penelope decides to reduce her math tutoring to half the amount of time she has been tutoring each month. After making this change, what will be her total amount of monthly income?

asked Nov 26, 2022

1 answer

1 vote

212k views

A farmer sells a bushel of corn to the supermarket for $12. The supermarket then sells the corn to customers for $25. What is the total contribution to GDP?

asked Nov 12, 2022

1 answer

5 votes

224k views

X + 2 y > - 12 Y < 6x + 7

asked Jun 28, 2022

1 answer

2 votes

83.9k views

Imagine leaving your home, family and friends to move to a new place with a new language and culture. Even when migration is voluntary, it isn’t easy. From 1880 to 1920, as the Industrial Revolution took

asked Jun 13, 2022

1 answer

4 votes

63.0k views

Which is NOT an element of a dystopia? * 1.A leader or idea is worshipped 2.Everyone is uniform (the same) 3.Citizens under constant surveillance. 4.A love of nature

asked Mar 10, 2022

2 answers

3 votes

123k views

O José lançou uma bola de cima de um muro. A distância da bola ao chão, em metros, quando percorre horizontal, é dada por d (x) = -0,4x/2 + 1,6x + 2

asked Nov 26, 2021

1 answer

4 votes

93.5k views

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