Recent activity by Alan Valejo

Recent activity by Alan Valejo

The following redox reaction occurs betwen the dichromate ion and ethanol: 3CH3CH2OH + 2CrO7^2- + 16H+ => 3CH3COOH + 4Cr^3+ + 11H2O A chemist uses 26.25 mL of 0.500 M CrO7^2- to titrate a 10.0 mL sample

answered Jan 1

1 answer 101k views

Which of the following is most similar to cilantro? (1 point) O parsley O beef O salsa O ceviche

answered Nov 9, 2024

1 answer 57.9k views

Bob's lipid profile indicated his total cholesterol was 215 mL/dL, HDL was 45 mL/dL, and LDL was 90 ml/dL. Which of the following would not improve his lipid profile and decrease his risk level?

asked Oct 6, 2024

1 answer 78.2k views

Compared to the fuel used, what is the net energy yield of nuclear power? A. high net energy yield B. O net energy yield C. to grow uranium as crops D. low net energy yield

answered Mar 17, 2024

1 answer 179k views

Often, the Delphi technique is used in conjunction with an expert forecasting survey. The major objective is to a) allow an opportunity to obtain diverse expert opinions. b) allow experts to work separately

asked Jan 25, 2024

1 answer 33.1k views

Solve the system of equations using substitution. y = 2x + 3 y = 3x + 1 a. (-2,-1) b. (-2,-5) c. (2,7) d. (-1,-2)

answered Dec 6, 2023

1 answer 65.1k views

A student completes 100 multiplication facts in 4 minutes. How long will it take her to complete 325 facts?

answered Sep 27, 2023

2 answers 824 views

which number of pounds of bananas and total cost of the bananas could be used as the missing values in the table

answered Sep 21, 2023

1 answer 227k views

Evaluate (-315) ×4 with the correct explaination

answered Jul 26, 2023

1 answer 50.2k views

part 2...expression using numbers and variables....need help with number 3 ..hello please help me with my math summer package and explain it in a way that a 7th grader can understand it

asked Jun 7, 2023

1 answer 50.1k views

Sharks, whales, and dolphins share similar features such as body shape and the position of fins. However, sharks have gills for breathing, while whales and dolphins have lungs. These differences indicate

answered Apr 5, 2023

2 answers 200k views

PRESENT PROGRESSIVE FOR FUTURE

answered Mar 16, 2023

1 answer 204k views

*PLEAS E HELP* *IRRELEVANT ANSWERS WILL BE REPORTED* A scuba diver is 30 feet below the surface of the water 10 seconds after he entered the water and 120 feet below the surface after 40 seconds. What

asked Mar 3, 2023

2 answers 145k views

The label on a bag of chocolates states that there are 0.384 pounds of chocolates. The actual weight of the chocolates is 0.3798 pounds. How much lighter are the chocolates than stated on the label?

answered Jan 11, 2023

1 answer 25.1k views

How many grams of NaOH are there in 700.0 mL of a 0.18 M NaOH solution? * a. 3.5 g b. 2.19 x 10^-3 g c. 149 d. 1149 e. 5.049

answered Dec 16, 2022

1 answer 208k views

What is 2√47. please help me. I need this ASAP

answered Dec 12, 2022

2 answers 102k views

it takes a baker 30 minutes to decorate 25 cupcakes, how long does it take the baker to decorate one cupcake.?

asked Oct 14, 2022

1 answer 163k views

4.61 as a mixed number

answered Aug 19, 2022

2 answers 83.0k views

Use the Pythagorean Theorem to determine the missing hypotenuse of a right triangle given the side lengths a= 7 in. and b = 9 in. Round your answer to the nearest hundredth if necessary

asked May 1, 2022

2 answers 217k views

Compared to the image which drawing is the closest

answered Apr 28, 2022

2 answers 102k views

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