Archive day

January 16, 2026

4,278 public questions were asked on this day.

← Jan 15 Jan 17 →
Which element has 32 protons in its nucleus? phosphorus cobalt germanium sulfur
Asked by knmk 1 answer
Which of these refers to the strength of an acid? a measure of the quantity of acid dissolved in water designated by molarity an intrinsic characteristic of a particular acid, not related to concentration the amount of h...
Asked by tj 1 answer
The diagram below shows some subatomic particles. An outer circle, labeled X, surrounds three smaller circles; one of these is labeled Quark. The three inner circles are connected by a line from each circle to a point at...
Asked by knmk 1 answer
Read the excerpt from a speech on work experiences. Every day we worked from sunup to sundown. Every day we broke our backs in the fields. Every day we stared at brown dirt and green plants and more brown dirt. Every day...
Asked by christian 1 answer
Short Answer In complete sentences, write the answers to the questions on the lines provided. 1. If two swimmers compete in a race, does the faster swimmer develop more power? 2. Why is the work output of a machine never...
Asked by k 1 answer
How was the collapse of the Roman Empire similar to the collapse of the Han dynasty in China?
Asked by ny 1 answer
What mistake did General Meade make after the Battle of Gettysburg? pursuing Lee and getting caught in another battle thinking the battle was over too soon and getting caught off guard letting Lee get away and not pursui...
Asked by Makayla 1 answer
Consider the reaction below. Upper N a superscript plus, plus upper C subscript 2 upper H subscript 3 upper O subscript 2 superscript minus (a q) plus upper H superscript plus, plus upper C l superscript minus right arro...
Asked by tj 1 answer
Read the scenario. Lara is participating in a formal group discussion about a speaker’s use of rhetorical strategies. When it is Lara’s turn to speak, she makes eye contact and speaks so everyone can hear. She uses evide...
Asked by christian 1 answer
Make these biology-based answers more simple. "A chemical reaction is a process in which chemical bonds are broken and/or formed so that reactant molecules are converted into different product molecules." "A substrate is...
Asked by mike 1 answer
Which of the following is the correctly balanced chemical equation for the reaction of Ca(OH)2 and HNO3? Upper C a (upper O upper H) subscript 2 plus upper H upper N upper O subscript 3 right arrow upper C a superscript...
Asked by tj 1 answer
Which of the following is a reason why few people live in Siberia? (1 point) Responses The long distances between cities create isolation. The long distances between cities create isolation. The permafrost makes the cons...
Asked by . 1 answer
Ricardo wants to determine the length of a strip of zinc metal. What is the SI unit for length? foot inch liter meter
Asked by knmk 1 answer
Which of the following is the major religion in Russia? (1 point) Responses Christianity Christianity Judaism Judaism Buddhism Buddhism Islam
Asked by . 1 answer
What volume of a 6.67 M NaCl solution contains 3.12 mol NaCl? L
Asked by 123 1 answer
Question How many faces, edges, and vertices does a cone have?(2 points) faces, edges, vertices Sorry, that’s only partially correct A face is a flat surface of a polyhedron. Remaining Attempts : 2
Asked by he 1 answer
Sian wants to measure the number of seconds that it takes for the contents of a beaker to change from clear to purple. Which of these tools should she use for this purpose? an electronic balance a stopwatch a barometer a...
Asked by knmk 1 answer
Which statement correctly describes the relationship between frequency and wavelength?(1 point) Responses Frequency and wavelength have no relationship. Frequency and wavelength have no relationship. Frequency increases...
Asked by Austin 1 answer
Ben will be conducting an experiment in which he reacts metals with different concentrations of acid in test tubes. What should Ben wear to best protect himself during the experiment? heat-proof gloves, a lab coat, and c...
Asked by knmk 1 answer
Short Answer In complete sentences, write the answers to the questions on the lines provided. 1. If two swimmers compete in race, does the faster swimmer develop more power? 2. Why is the work output of a machine never e...
Asked by k 1 answer
A scientist would most likely need to update her model when it has become too simple. no longer supports the latest results. reduces the need for verbal explanation of data. no longer appears interesting.
Asked by knmk 1 answer
Which is the graph of linear inequality 6x + 2y > –10? On a coordinate plane, a dashed straight line with negative slope goes through (negative 2, 0) and (0, negative 6). Everything to the right of the line is shaded. On...
Asked by christian 1 answer
Isabel wants to determine the mass of a metal block. What is the SI unit for mass? pound quart kilogram liter
Asked by knmk 1 answer
How many grams of CaCl2 are in 250 mL of 2.0 M CaCl2? g CaCl2
Asked by 123 1 answer
Which of these time measurements is the smallest? 0.02 seconds 0.02 teraseconds 2,500 milliseconds 25,000 nanoseconds
Asked by knmk 1 answer