Chemistry

need help ASAP Write a sentence that begins an adjective phrase. Be sure to punctuate it properly!
1 Answer
A teacher wrote the following part of a balanced chemical equation: 2HNO3 + Ca To show that chemical reactions conserve matter, how many atoms of hydrogen (H) will there be on the right-hand side of the equation?A. 3B. 2 C. 1 D. 6
1 Answer
What is the daughter nucleus of pt-199 after a beta decay?A. At-198B.At-200C.Pt-200D.At-199
1 Answer
Hey can anyone pls answer dis in ur own wordssss
1 Answer
What is the percent of O inCO2?(C = 12.01 amu, O = 16.00 amu)[? ]%
2 Answers
What class of lever is shown below?Question 4 options:First Class LeverSecond Class LeverThird Class LeverFourth Class Lever
2 Answers
2. Write down the position of alkaline earth metal in the Modern periodic table What is their valency?
1 Answer
Which is warmer -30C or -30 F?
2 Answers
A solution is made by combining 15.0 g of potassium chloride with 100 g water at room temperature. What is the concentration of this solution
1 Answer
PLEASE. Select the number line that shows that two opposite numbers have a sum of0.3A.4321 01 2 3 4 5 6 7 8 9 10 11 12B.4 3 2 -1 0 1 2 3 4 5 6 7 8 9 10 11 126.-432-10 3 5 6 7 8 9 10 11 122
2 Answers
Select two correct answers.[]class[]organism[] fungi[]kingdom
1 Answer
An earthquake's____located directly above its_____
1 Answer
when an atom in an excited state returns to its ground state it
1 Answer
I need help with this
1 Answer
What mass of sugar and water is needed to make 40 g of 10% solution?
1 Answer
50 PIONTS PLZZZ HELPWhat volume of 0.100 M K2S solution contains 3.5 g of the solute?
2 Answers
activation energy in reaction is used to:A- Overcome repulsion force between colliding molecules B- Breaking bondsC- Merge Valence electronsD- All of them
2 Answers
Which of the following is not a place where hydrogen can be found on Earth?A) Natural gas wellB)WaterMineAtmosphere
1 Answer
i. Three different representations of glucose aregiven below. Identify each typeof model.
2 Answers
Please select the word from the list that best fits the definitiona new energy source found in the ocean that is currently very costly to obtainnonrenewable resourcesrenewable resourcesmethane hydratesplanktonpetroleumnonliving resources
1 Answer
3 examples of how you think cells work in living things.
1 Answer
What are the names of the two levels?Select two correct answers.
1 Answer
Hydrogen gas reacts with oxygen gas to form water. What is the excess reactant in this recation(Refer to the picture below to answer).A. WaterB. Hydrogen gasC. Oxygen gasD. Water and oxygen gas
1 Answer
how do i find the number if electrons in an element
2 Answers