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January 2026

45,417 public questions were asked this month.

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Recent questions

Latest from January 2026

Which answer describes the measure of the amount of matter? Responses atm lowercase a t m mole/s mole/s K K STP
Asked by ruth 1 answer
Which temperature and pressure are used as standards for gases? Responses 0°C, 1 atm 0°C, 1 lowercase a t m 5°C, 2 atm 5°C, 2 lowercase a t m 25°C, 1 atm 25°C, 1 lowercase a t m 10°C, 1 atm 10°C, 1 lowercase a t m
Asked by ruth 1 answer
Read the excerpt from Early Victorian Tea Set. Among the upper classes, tea had been popular since before 1700. It received celebrity endorsement from Charles II’s queen, Catherine of Braganza, and from Queen Anne. It ca...
Asked by jeff 1 answer
Go back to each of the five you selected and click, “Full career report” again. Under “Explore More”, click on each of the careers linked and take a screenshot (see example below) of at least three additional careers tha...
Asked by … 1 answer
Molar mass is the molecular (formula) mass of any substance expressed in which unit? Responses grams grams moles moles kilograms kilograms liters liters
Asked by ruth 1 answer
What does the term "genetically modified organisms" (GMOs) refer to? (1 point) Responses Organisms that are extinct Organisms that have not undergone any changes Organisms that have been bred through natural selection Or...
Asked by unknown 1 answer
At STP, how many molecules of nitrogen gas are in 224 L? Responses 6.022×1022 6.022 times 10 to the power of 22 6.022×1023 6.022 times 10 to the power of 23 6.022×1024 6.022 times 10 to the power of 24 6.022×1025
Asked by ruth 1 answer
You have 6 moles of a substance. Which statement is true? Responses You have one-third the number of particles that are in 12 grams of carbon-12. You have one-third the number of particles that are in 12 grams of carbon-...
Asked by ruth 1 answer
What mass will 33.6 L of chlorine gas (Cl2) have at STP? Responses 35 g 35 g 53 g 53 g 71 g 71 g 106 g
Asked by ruth 1 answer
You have a 5-liter container with 1.30×1024 molecules of ammonia gas (NH3) . How many molecules of hydrogen gas (H2) are in an identical container at the same temperature and pressure? Responses 2.00×1023 molecules 2.00...
Asked by ruth 1 answer
description The x and y axes have values from negative 10 to 10 in unit increments. Four points in the fourth quadrant are plotted as follows: upper A left parenthesis 1 comma negative 5 right parenthesis, upper B left p...
Asked by unkown 1 answer
What volume will 1.5 moles of oxygen gas occupy at STP? Responses 9.02 L 9.02 L 20.0 L 20.0 L 22.4 L 22.4 L 33.6 L
Asked by ruth 1 answer
You have 100 grams of potassium bromide (KBr). How many moles do you have? Responses 0.84 mol 0.84 mol 1.00 mol 1.00 mol 1.19 mol 1.19 mol 2.00 mol
Asked by ruth 1 answer
Which of these is an example of a universal theme? Giving special privileges to the oldest child is part of family life. Geraldine later learns that her friend has betrayed her. Gaining personal freedom involves making s...
Asked by caleb 1 answer
What is the molar mass of calcium chloride dihydrate (CaCl2⋅ 2H2O)? Be sure to include the mass of all elements in the formula including the elements in water. Responses 64 g/mol 64 g/mol 111 g/mol 111 g/mol 147 g/mol 14...
Asked by ruth 1 answer
A worker in a factory made a table to show the total number of tires made during each of the first 3 hours one day. In the table below, she also recorded the number of defective tires for each hourly batch. The factory m...
Asked by KayMarie 1 answer
Which example has 1.2×1024 oxygen atoms? Responses 2 moles of ammonia (NH3) 2 moles of ammonia left parenthesis uppercase N H subscript 3 end subscript right parenthesis 1 mole of water (H2O) 1 mole of water left parenth...
Asked by ruth 1 answer
When is the best time to introduce the conflict in a story? end of the story beginning of the story it does not matter middle of the story
Asked by caleb 1 answer
How should you use textual evidence when you write a theme-based summary? to predict what may happen in stories with similar themes to help readers imagine all the details of the story’s setting to share background infor...
Asked by caleb 1 answer
At the power levels used by Bluetooth devices, there is no finally scientific evidence that Bluetooth cause harm you. Bluetooth uses low‑power radiofrequency electromagnetic fields and are most likely far below safety li...
Asked by tara 1 answer
A substance has three times the number of particles as 12 grams of carbon-12. How many moles are in the substance? Responses 1.5 1.5 2.0 2.0 2.5 2.5 3.0 3.0
Asked by ruth 1 answer
Congress shall make no law respecting an establishment of religion, or prohibiting the free exercise thereof; or abridging the freedom of speech, or of the press; or the right of the people peaceably to assemble, and to...
Asked by j 1 answer
In which reaction do five total molecules of reactants produce four total molecules of products? Responses 2SO2 + O2→2SO3 2 uppercase S O subscript 2 end subscript plus uppercase O subscript 2 end subscript righwards arr...
Asked by ruth 1 answer
Using how I write complete this essay sounding like a teen in the simplest way and try to state evidence using the book frankenstein or the modern proetheus by Mary shelley also use the same sentence starters i use and f...
Asked by h 1 answer
As you read the paragraph below, think about how each sentence affects the tone of the passage. The bell rang at 2:16 p.m. Fifty-five students lined up immediately. Summer could not arrive soon enough for any of us. Thre...
Asked by caleb 1 answer