Questions by Anderson Vieira

Questions by Anderson Vieira

In thin-layer chromatography (TLC), the ____________ phase is usually silica gel or alumina, and the __________ phase is usually an organic solvent or mixture of organic solvents. a) Stationary, mobile

asked Nov 22, 2024

1 answer

1 vote

103k views

What resistance did the Jews show against the Nazis?

asked Nov 2, 2024

1 answer

4 votes

217k views

The temperature of a iron bar rises by 10.0°C when it absorbs 2.35 kJ of energy by heat. The mass of the bar is 525 g. Determine the specific heat of iron from these data. kJ/kg · °C

asked Oct 1, 2024

1 answer

0 votes

161k views

Can controlled substance Rx's be delivered to another country? 1) Yes 2) No

asked Mar 3, 2024

1 answer

5 votes

49.2k views

A computer network that is spread out over a large geographic area is known as a: a) CAN b) LAN c) PAN d) WAN

asked Feb 14, 2024

2 answers

1 vote

127k views

Find the value of x I need the answer ASAP

asked Nov 22, 2023

1 answer

3 votes

197k views

The product of a number and 3, increased by 5, is 7 less than twice the number. write an equation

asked Sep 21, 2023

1 answer

3 votes

65.7k views

Without graphing, find the slope of the line that goes through each pair of coordinate points. (0,5) and (8,2 ) [Choose ] (2,-1) and (6, 1) [ Choose ] (-3,-2) and (- 1,-5) [ Choose]

asked Jul 19, 2023

1 answer

0 votes

26.1k views

What was the purpose of the Ten-Hour Movement?

asked Jun 6, 2023

1 answer

16 votes

184k views

The sum of the digits of a two-digit number is 5. If nine is subtracted from the number, the digits will be reversed. Find the number. If the tens digit is x, then the equation is: The number is:

asked Apr 26, 2023

2 answers

1 vote

162k views

What is the purpose of the Environmental Protection Act 1990?

asked Jan 16, 2023

1 answer

0 votes

830 views

2. Angela is 4 1/2 years older than Tony. Three times Angela's age added to six times Tony's age is 36. How old are Angela and Tony?

asked Nov 9, 2022

1 answer

13 votes

195k views

Ano ang tempo ng kantang kalesa?

asked Oct 27, 2022

2 answers

0 votes

171k views

The number of covld cases is decreasing and we have a vaccine, but new strains are appearing in California and London. Do you feel it is safe to start lifting lockdowns? why? Answer in 2 sentences.

asked Oct 10, 2022

1 answer

11 votes

79.9k views

The perimeter of a rectangle is 25 2/5 ft. The length is width. Find the length and width of the rectangle. A. = 9.375 ft and w = 3.125 ft B. = 9.525 ft and w = 3.175 ft C. = 19.05 ft and w = 6.35 ft D.

asked Jul 20, 2022

1 answer

0 votes

229k views

Calculate the potential energy of a 1.5 kg hammer that is located at a height of 2 m

asked Jun 19, 2022

2 answers

1 vote

139k views

Why does Tara laugh at Justin? A. She wants to be his prom date instead of Dionne. B. She doesn't think his problem is a big deal. D. She needs to talk to him, and he is hungry. the answer is...... She

asked Jan 16, 2022

1 answer

2 votes

201k views

F(x)=2x+7 g(x)=8x2-3x+2 h(x)=5x3+7x2-4x-12 k(x)=x-3 l(x)=2x2-9x-5 v(x)=3x-2 then match the following questions with their answers. Column A 1. What is f(x)*k(x)?: What is f(x)*k(x)? 2. What is h(x) + g(x)?

asked Dec 26, 2021

2 answers

1 vote

211k views

Nuclear power doesn't directly emit greenhouse gases, but it does leave behind dangerous nuclear _______.

asked Oct 18, 2021

1 answer

5 votes

187k views

Which statement best descibes a cause and effects that occurs during the process of muscle contration?

asked Jun 17, 2021

1 answer

1 vote

76.2k views

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