Chemistry » Page 57

Chemistry

Foods labeled "fat free" can actually contain less than 0.5 grams of fat.

Answer Answers (2)

Chemistry

Plants make their own food. The chemical reaction for this process is shown

in the equation below.

CO2 + H2O + energy → C6H1206 + O2

What are the products in this chemical reaction?

O A. C6H1206 + energy

O B. H20 + energy

O C. CoH1206+02

O D. CO2 + H20

Answer Answers (1)

Chemistry

Using ohm's law, explain how voltage changes in relation to current, assuming that resistance remains constant.

Answer Answers (1)

Chemistry

An average copper penny minted in the 1960s contained about 3.000 g of copper. how much chalcopyrite had be mined to produce 100 pennies?

Answer Answers (1)

Chemistry

Which pack has the greatest change in enthalpy, warm packs (such as hand warmers) or cold packs (such as an ice pack) ?

Answer Answers (1)

Chemistry

A gay cylinder what are the variables in gay-lussacs law

Answer Answers (2)

Chemistry

What is the cosmic address of earth in the cosmos?

Answer Answers (1)

Chemistry

What values do we plot on the y-axis of a graph

Answer Answers (2)

Tyrese Trujillo

Chemistry

What is the n factor of Ba (MnO4) 2 in acidic medium when it reacts with H2O2?

Answer Answers (1)

Chemistry

What organelle is primarily used in respiration

Answer Answers (1)

Chemistry

Which of the following planetary objects have the most affect on Earth's tides?

sun

Mars

moon

Venus

Answer Answers (1)

Chemistry

Ionic compounds are formed by the ... of electrons?

by the what?

Answer Answers (2)

Chemistry

What is it called when energy is created without oxygen?

Answer Answers (1)

Madeleine Charles

Chemistry

If 21.3 grams of lithium react with excess water, how many liters of hydrogen gas can be produced at 297 Kelvin and 1.40 atmospheres? Show all of the work used to solve this problem.

2Li (s) + 2H2O (l) - > 2LiOH (aq) + H2 (g)

Answer Answers (1)

Chemistry

How did coroners handle their responsibilities in the early 1900s? Why was there a need for significant change in the job?

Answer Answers (1)