Questions by TobKel

Questions by TobKel

Using the following portion of the activity series for oxidation half reactions: Mn(s) → Mn^2+ (aq) + 2e Co(s) → Co^2+ (aq) + 2e Pt(s) → Pt^2+ (aq) + 2e Indicate which pairs of reactions will occur. A)

asked Dec 12, 2024

1 answer

4 votes

87.6k views

How does the hydrogen emission spectrum provide evidence for energy levels?

asked Aug 27, 2024

2 answers

1 vote

105k views

Find (a) PQ to the nearest tenth and (b) the coordinates of the midpoint of PQ. P(1,4), Q(3,-2)

asked Dec 1, 2023

1 answer

15 votes

51.2k views

Which subatomic particle is located inside the nucleus and helps determine the identity of the element?.

asked Nov 21, 2023

1 answer

3 votes

222k views

Theo budgets 154 for karate classes he buys a karate uniform called a dogi for 12 if it cost 8 to attend each karate class which inequality below represents the number of classes c can Theo can take

asked Oct 22, 2023

1 answer

14 votes

62.9k views

5. Which of the following human activities has NOT worsened desertification? niwa A. improved agricultural practices B. stripping of trees for firewood C. poorly planned irrigation projects D. deforestation

asked Aug 20, 2023

1 answer

5 votes

38.4k views

The function h is defined by h (x) = 2(x - 7). What is the value of h (8)?

asked Aug 1, 2023

1 answer

5 votes

135k views

What is YZ? Enter your answer as a decimal in the box

asked Mar 26, 2023

1 answer

9 votes

104k views

What is the quotient of 34 ÷ 15 ? A fraction bar. The top bar is labeled 1. 4 bars underneath the bar are labeled one-fourth. 5 bars underneath the 4 bars are labeled one-fifth. 20 bars underneath the

asked Sep 26, 2022

1 answer

2 votes

170k views

An animal shelter has a ratio of cats to dogs that is 9:7. What fraction of these animals are dogs?

asked Sep 3, 2022

2 answers

12 votes

118k views

A 13m long ladder when set against the well of a house reacher a height of 12m. How far is the foot of the ladder from the wall

asked Aug 11, 2022

2 answers

7 votes

67.8k views

Sophie invested $93,000 in an account paying an interest rate of 5.6% compounded quarterly. Assuming no deposits or withdrawals are made, how long would it take, to the nearest year, for the value of the

asked Jul 20, 2022

2 answers

1 vote

161k views

Please help me with question five

asked Jul 1, 2022

1 answer

2 votes

224k views

A density graph for all of the possible times from 50 seconds to 300 seconds can be used to find which of the following? A. The probability of a time from 75 seconds to 350 seconds B. The probability of

asked Apr 10, 2022

2 answers

4 votes

76.9k views

1. Calculate the local time at a place 45°W longitude when the GMT is 12:00 noon.

asked Apr 10, 2022

1 answer

0 votes

20.8k views

Find the value of x that makes the equation true: 2x = 24 x = 6 x = 4 x = 9 x = 12

asked Jan 18, 2022

1 answer

2 votes

179k views

Ralph purchases a porch swing and is assured by the salesperson that it can safely support an adult and hold up to 200 pounds. The salesperson knows that there have been issues with this model of porch

asked Sep 11, 2021

2 answers

2 votes

78.5k views

1. Why does Francis Nurse fear he has brought trouble to the 91 people who signed their names to the document presented in court?

asked Aug 15, 2021

2 answers

3 votes

191k views

Help me I’m about to have a meantal break down

asked Jul 1, 2021

1 answer

4 votes

89.6k views

I need fast answer please! Explain how 1st and 2nd law of thermodynamics applies to the trophic structure of an ecosystem?

asked May 8, 2021

1 answer

0 votes

54.2k views

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