Chemistry
- what ids the difference between global warming and climate change
-
Which of the following is not an example of people's basic needs?
-
Subject:
Chemistry -
Author:
halledrake -
Created:
8 months ago
-
- Which of the following statement is incorrect?A.Nuclides containing even numbers of both protons and neutrons are most stable and this means less radioactiveB.Nuclides contain odd numbers of protons and even numbers of neutrons are more stable than nuclidesC.Nuclides containing odd numbers of both protons and neutrons are the least stable and this means moreradioactive.D.In general, nuclear stability is greater for nuclides containing even numbers of protons and neutrons or both.
- sino mas malaking illustration board 1/4 o illustration board na 1/8
- Suppose you dissolve zinc in hydrochloric acid amd added more acid than usual. then drop pieces of zinc. what factor does Not affect the rate of the reaction? a. surface area of zinc b. concentration of reaction c. temperature of the solutiond. amount of HCl acid
-
following are natural processes influencing rock stratification, EXCEPT: A. burningB. Cementing C. cooling D. melting
-
Subject:
Chemistry -
Author:
felipeunderwood -
Created:
8 months ago
-
- Why do egg dishes need to be served attractively
- crayons after cooling
- 1. Pyrite is a yellowish mineral that looks like gold and is commonly called fool’s gold. What is the property of mineral exhibited by pyrite wherein it reflects light and with a metallic look? * A. Color B. Hardness C. Luster D. Streak 2. Quartz can break other than along planes of cleavage. What property of minerals is shown in this situation? * A. Cleavage B. Fracture C. Hardness D. Streak 3. Some minerals like mica has surfaces with planes of weak bonds in the crystals. Thus, its crystals can be peeled like layers of onion. What is the property exhibited by mica? * A. Cleavage B. Fracture C. Hardness D. Tenacity 4. Which property refers to the resistance of minerals to scratching? * A. Cleavage B. Fracture C. Hardness D. Luster 5.What are the building blocks of rocks and it is mostly found in the geosphere? * A. elements B. minerals C. ore D. soil 6.In its powdered form, the mineral hematite is reddish. Which mineral property is best described? * A. color B. hardness C. luster D. streak 7. Which is not a property that can be used to identify a mineral? * A. hardness B. luster C. opaque D. streak 8. What is the property of minerals that reflects light on its surface? * A. color B. crystal structure C. luster D. streak 9. Which refers to a naturally occurring, inorganic solid that has a definite crystalline structure and chemical composition? * A. compound B. crystal C. mineral D. rocks 10. During the 1800’s, miners can identify real gold from pyrite through biting the surface of the mineral. If a bite mark is exhibited, then the said mineral is considered real gold. What property is tested in this scenario? * A. cleavage B. hardness C. luster D. streak color 11. What is a carbonate mineral that occurs in a different crystal form and is less common than either calcite or dolomite? * A. aragonite B. calcite C. gypsum D. silica 12. What constitutes the size, shape and arrangement of mineral grains in a rock? * A. cement B. permeable origin C. porosity D. texture 13. Which of the following is not a characteristic of a mineral? * A. crystal structure B. naturally occurring C. organic D. solid 14. What refers to the tendency for a mineral to break along flat surfaces? * A. cleavage B. hardness Option 3 C. ductility D. tenacity 15. What is the solid form of a mineral produced by a repeating pattern of atoms? * A. crystal B. density C. element D. fracture pasagooot pleaseeeere
- Ascorbic acid, or vitamin C (C6H8O6), is an essential vitamin. It cannot be stored by the body and must be present in the diet. What is the molar mass of ascorbic acid? Vitamin C tablets are taken as a dietary supplement. Ifa typical tablet contains 500.0 mg vitamin C, what amount (moles) and what number of molecules of vitamin C does it contain?
- Which is a component of greaseA. Carbohydrate C. Nucleic AcidB. Lipid D. Protein
- Fat when placed on top of a hot pan (will change, will not change) in shape and size.
- Bakit lahat ng babae hanap ay gwàpo sa Isang làlaki, di ko nîlalahat pero bakit? tanong lang walang magalît. Sana maramîng sumagót
-
What is the percent by mass concentration of a solution that contains 2.0g sucrose dissolved in 80g water? GIVEN REQUIRED EQUATION SOLUTIONANSWE
-
Subject:
Chemistry -
Author:
jaquelineheath -
Created:
8 months ago
-
- explain the three process of accouting using the three highlighted words in the graphic IDENTIFICATION , RECORDING,COMMUNICATING
- 1.) Illustrate the electron configuration of zinc (Zn) and diagram the electron arrangement in its orbitals. 2.) Write the preferred electron configuration of iron (Fe). Show the orbital diagram for the given element.Example:
- goal of experimental?
- inaantok na ko anong dapat kong gawin
- Pyroclastic phenomena are masses of hot, dry pyroclastic material built into masses. Select one: a. True b. False
- Describe how sunscreen and sunglass protect us from UV radiation.
- to what sense does the second stanza appeal to?paki sagot po ng maayos salamat
- 3. What lessons have you learned up to this point.
-
it is used in the form of germicide or insecticide
-
Subject:
Chemistry -
Author:
alejandraburton -
Created:
8 months ago
-
- cost of damage to agriculture fisheries of mt. bulusan
- 64 g/mole is the formula weight of this substance.
Top Users
-
nazar131019
2 -
ravirgazo
2
Choose a language and a region
How much to ban the user?
1 hour
1 day
100 years