Archive day

January 16, 2026

4,278 public questions were asked on this day.

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Which two types of potential energies would be types of mechanical energies? radiant and thermal elastic and gravitational
Asked by Julie 1 answer
Which type of reaction occurs in the following? 2HgO(s) Right arrow. 2Hg(l) + O2(g) a decomposition reaction in which a metal is reduced an acid-base neutralization reaction to produce oxygen gas a displacement reaction...
Asked by ji 1 answer
A sample of sodium hydroxide (NaOH) has a mass of 160.0 g. The molar mass of NaOH is 40.00 g/mol. How many moles of NaOH does this sample contain? 4.000 moles 40.00 moles 160.0 moles 6,400 moles
Asked by knmk 1 answer
How did New Deal environmental projects try to prevent another Dust Bowl? (1 point) Responses by forcing farmers to plant invasive species that grew quickly by forcing farmers to plant invasive species that grew quickly...
Asked by . 1 answer
Consider the chemical equation: AgNO3(aq)+Cu(s)→Ag(s)+Cu(NO3)2(aq) Which type of reaction is represented in the chemical equation? Responses double-displacement double-displacement decomposition decomposition combustion...
Asked by ruth 1 answer
Given the reaction below, which is being reduced? Mg + Cl2 Right arrow. Mg2+ + 2Cl– 2CI– CI2 Mg Mg2+
Asked by ji 1 answer
Complete the conversation Tom: Perdón, ¿____________________? El señor Díaz: ¿El acuario? Siga adelante tres cuadras. Tom: Perdón, ¿____________________? El señor Díaz: Sí, claro. Siga adelante tres cuadras. Tom: Entonce...
Asked by KAileigh 1 answer
How are mutations and meiosis similar?(1 point) Responses They both can pass on genetic variations that can be inherited. They both can pass on genetic variations that can be inherited. They both can only originate throu...
Asked by Alto saxaphone 1 answer
Each incomplete reaction is a neutralization reaction. Match each equation with the salt formed. 1. H2SO4 + 2NH4OH → ? 2. 2NaOH + H2CO3 → ? 3. HNO3 + KOH → ? Reaction : Na2CO3 Reaction : KNO3 Reaction : (NH4)2SO4
Asked by tj 1 answer
hoose the correct form of the verb in parentheses to complete the sentence.. Los alumnos ____________________ al profesor. (escuchar) a. escuchan c. escuchamos b. escuchas d. escucho Please select the best answer from th...
Asked by ja 1 answer
The equation 2NaNO3 + CaCl2→2NaCl+Ca(NO3)2 is balanced. How many atoms of sodium (Na) are there on either side of the equation? Responses one one two two four four six six
Asked by ruth 1 answer
The table shows information about four students who are running around a track. A 3-column table with 4 rows titled Motion of Students. The first column labeled Student name has entries Autumn, MOhammed, Lexy, Chiang. Th...
Asked by Julie 1 answer
How did the suspension of antitrust laws by the National Industrial Recovery Act (NIRA) affect unions? (1 point) Responses The suspension allowed businesses to set minimum wage laws. The suspension allowed businesses to...
Asked by . 1 answer
How do you write 0.4444444444444444444444444444444 as a fraction? A. 2/11 B. 4/9 C. 8/15 D. 1/4
Asked by Zephyr Benedict 1 answer
Choose the correct form of the verb in parentheses to complete the sentence.. Ana y yo ____________________ una merienda. (tomar) a. tomamos c. tomo b. toman d. tomas Please select the best answer from the choices provid...
Asked by ja 1 answer
How are mitosis and meiosis similar?(1 point) Responses They are both caused by mutations. They are both caused by mutations. They produce the same number of daughter cells. They produce the same number of daughter cells...
Asked by Alto saxaphone 1 answer
describe 2 differences between the lithosphere and the asthenosphere in one short sentence
Asked by diddy 1 answer
What is the balanced form of the equation C4H10+O2→CO2+H2O? Responses C4H10+O2→4CO2+5H2O uppercase C subscript 4 end subscript uppercase H subscript 10 end subscript plus uppercase O subscript 2 end subscript rightwards...
Asked by ruth 1 answer
Which salt is produced when H2SO4 reacts with NaOH? K2SO3 Na2SO4 Na2SO3 K2SO4
Asked by ji 1 answer
What is the percent by mass of potassium in K3Fe(CN)6? Use mc007-1.jpg. 16.96% 21.88% 25.53% 35.62%
Asked by knmk 1 answer
Use the pictures to complete the sentence using the correct preposition. the boy is next to her El muchacho está _________________ de la muchacha.
Asked by KAileigh 1 answer
What was the benefit of the Agricultural Adjustment Administration (AAA) limiting the production of crops and livestock? (1 point) Responses to raise the quality of agricultural products to raise the quality of agricultu...
Asked by . 1 answer
Why does the reaction H2O + Cu→no reaction not proceed to a product? Responses Copper has a lower activity than hydrogen and cannot replace it. Copper has a lower activity than hydrogen and cannot replace it. The reactio...
Asked by ruth 1 answer
describe 2 differences between the lithosphere and the asthenosphere
Asked by diddy 1 answer
Use the following table to answer the question. Strong acids Weak acids Weak bases Strong bases HBr CH3COOH NH3 NaOH HCl HF NH4OH KOH H2SO4 HCN Cu(OH)2 Ca(OH)2 Which reaction yields a salt with the highest pH? mc012-1.jp...
Asked by ji 1 answer