Chemistry

Is carbonic acid (H2CO3) soluble in water?
2 Answers
I have to make question longer this question(Answer the question all the way at the bottom)\Do you breathe air?
2 Answers
There are 3 gases in a container, methane has a partial pressure of 1.23 atm, ethane's partial pressure is 1.48 atm and an unknown pressure of propane. The pressure in the container was measure to be 4.43 atm. What is the partial pressure of propane?A) 1.72B) 1.35C) 1.69D) 1.53
1 Answer
If a sound wave refracts, what happens to it? Select all that apply.It changes its speed and wavelength when it bounces off of a solid surface.BIt changes direction when it passes through an openingIt changes its speed and wavelength when it passes through an openingDIt changes direction when it passes from one medium to anotherEIt changes its speed and wavelength from one medium to another.FIt changes direction when it bounces off of a solid surface.
2 Answers
How many moles of solute are in 53.1 mL of 12.5M HCI?
1 Answer
2. What percentage of the offspringwill have the red flowers?
1 Answer
Bloc ate 1 craft craft had 3 crafts. How much crafts are there?
1 Answer
1. What is a common example of a converging mirror?2. Where must you (the object) stand in front of a converging mirror if you want to see an upright,virtual image of yourself? What is the size of the image compared to the object?3. A converging mirror produces no image when the object is at4. If the centre of curvature in a converging mirror is at 10cm, the focal point will be atom
1 Answer
If the temperature of the Earth's layers increases by about 90 degrees Fahrenheit for every 1 mile from the surface and you are estimating the temperature of a point in the mantle 160 miles below the surface, how hot would the mantle be at that depth? A. 12,800FB. 14,400F C. 1.78FD. 160F
2 Answers
A. How do the following factors affect the spontaneity of a reaction? i. Enthalpy ii. Entropy
1 Answer
Microorganisms have a major role in maintaining soil biodiversity. They recycle nutrients in ecosystems and decompose organic matter in soil. Organic matter contains dead and living plant and animal materials. Microorganisms convert these materials into simpler compounds that maintain soil quality and help with plant growth.Which solution could best help to restore or increase microorganisms and soil biodiversity? A. adding manure or compost to the soil B. spraying chemical weed-killers and fertilizers on the soil C. removing all ground-covering plants from the soil D. adding sewage containing synthetic materials to the soil
2 Answers
What does the mole ratio represent
1 Answer
PLEASE HELP How many chlorine atoms are needed to satisfy the octet rule when forming an ionic compound with a cation of charge 3+?
2 Answers
The Moon only emits light at night.TrueFalse - does not emit light at all
2 Answers
Help will give brainliestClassify the following alcohol as primary,secondary or tertiary.OHA. primaryB. secondaryC. tertiary
2 Answers
PLEASE HELP I LITERALLY CAN'TWhat volume does 1 mol of Ar(g) occupy at 25 C and 100 kPa?a) 24.8 L b) 1.0 L c) 22.4 L d) 40.0 L What volume is occupied by 1 mol of Cl2(g) at SATP?a) 12.4 L b) 11.2 Lc) 22.4 L d) 24.8 L
2 Answers
Compare the drops of wax that harden in hot water and Cold water.
1 Answer
Explain why a city that receives 10 hours more light each day has colder average temperatures. Explain
1 Answer
James made a poster showing the two body systems that regulate a person's pulse. Which two systems did james represent on his poster? F nervous and circulatory G resiratoty and endocrine systems H circular and digestive system I digestive and nervous system
1 Answer
How many moles would be present in a gas contained in a 100.0 mL vessel at 25.0oC at a pressure of 2.50 atm?
1 Answer
what do protons determine about an element
2 Answers
Convert 160g to mg.
2 Answers
Meat-eating animals are:decomposerssecond-order consumersproducersfirst-order consumersHELP
1 Answer
If yeast is given more sugar will they undergo morecellular respiration than yeast that is given less sugar?
1 Answer