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How does aragonite turn into calcite?

How does aragonite turn into calcite? Calcium carbonate can take the form of two different minerals: Calcite is the stable form, whereas aragonite is metastable: Over time, or when heated, it can ultimately transform into calcite. If there is no magnesium in the solution, the stable calcite forms quickly, Sun says. Is calcite to aragonite spontaneous? (a) AGR(298.15 K) = AG; (calcite, s) – AG; (aragonite, s) = 1128.8 kJ mol-? - 1127.7 kJ mol-1 = 1.1 kJ mo1). Because AGR(298.15 K) > 0, the reaction is not spontaneous. The pressure dependence of G is quite different for gases and...
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What should a grandmother wear to a wedding?

What should a grandmother wear to a wedding? Wedding Attire Guidelines for Grandmothers of the Bride For a formal or semi-formal wedding, grandmothers may choose a formal gown, a longer style dress, or an elegant suit-like style. For a casual wedding, a dress is still appropriate, as is a pantsuit, or skirt and blouse or dress and jacket combination! What color should the grandmother of the bride wear to the wedding? Grandma can choose from dusty blue, black or navy, each with sparkly embellishment on the bodice that gives way to a full but flowy skirt. Some Grandmas might feel...
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Will the scentsy car Bar melt?

Will the scentsy car Bar melt? A car bar is a palm-sized, plastic disc that is loaded with fragrant oil. It will not melt, just provide you with some major scent power. How long does a Scentsy car bar last? 30 days For quick jaunts and long journeys, the Scentsy Car Bar delivers fragrance that lasts up to 30 days. What are scentsy car bars? Designed to mimic our Scentsy Bar's classic curve, Car Bars deliver fragrance that lasts up to 30 days! They look oh-so-cute dangling from the rearview mirror, plus the ribbon is embellished with the fragrance name....
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How do I create a Bacpac file in SQL Server?

How do I create a Bacpac file in SQL Server? How to create a BACPAC file from SQL server using SQL Server Management Studio (SSMS)Specify export settings.Review the export summary.Check the result of the operation. How do I create a Bacpac file? Steps to Import/Restore BACPAC fileOpen SQL Server management studio, connect to SQL instances where you want to restore database and right click on Database. You will get below window. Then, you will get option to import backpack file either from Local disk or from Windows Azure. How do I restore a Bacpac file in SQL Server 2008? How...
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How to calculate the area of a circle?

How to calculate the area of a circle? How to Calculate the Area. The area of a circle is: π (Pi) times the Radius squared:A = π r 2. or, when you know the Diameter:A = (π/4) × D 2. or, when you know the Circumference:A = C 2 / 4π. Radius = r = 3. Area= π r 2. Is the center point of a circle a segment? It is to be noted that the segments do not contain the center point. According to the definition, the part of the circular region which is enclosed between a chord and...
Common questions

Are Gymboree stores still open?

Are Gymboree stores still open? Children's clothing retailer Gymboree filed for bankruptcy in January 2019 and announced it was closing all of its 900 stores. It didn't stay away for long — Gymboree returned on February 12, 2020. Parents can find its clothes on the Gymboree website and in select locations of The Children's Place. Does Gymboree exist? Gymboree stores offered coordinating children's clothing. The sizes ranged from newborn to size ten. As of January 2019, it operated 380 Gymboree stores, 154 Gymboree outlets, 147 Janie & Jack stores, 253 Crazy 8 stores, and 11 Crazy 8 outlets in the...
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What is the PMP exam pass rate?

What is the PMP exam pass rate? 61% Myth: The PMP exam pass rate is confirmed at 61%. Fact: There is no confirmed or official PMP exam passing score. Although PMI published a PMP exam pass rate of 61% in 2005, they have not released any updated information since then, while the exam and its scoring system have been updated multiple times. Are PMP exam questions repeated? Note to all: Critical path questions are repeated with different durations in the exam, so if you solve a question/draw it on the paper, make sure you leave enough space to write over...
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Who Wins season 3 of Ink Master?

Who Wins season 3 of Ink Master? Joey Hamilton Ink Master Season 3/Winners What happened to Tatu Baby season 3? Tatu Baby was eliminated first from the competition. Jime's battle royale tattoo was well designed but had a lot of weak areas. The judges said it looked like Jime strayed a little bit out of his comfort zone and didn't perform as they were used to seeing him throughout the competition. How far does Tatu Baby make it in season 3? Tatu Baby was the twelfth tattooist eliminated from season two of Ink Master and the fourteenth from season three....
Easy lifehacks

What exercises hit the quads?

What exercises hit the quads? 10 best quad exercises you can do at home. You can perform all of the following exercises in the comfort of your home with no special equipment. Bodyweight squat. Walking lunge. Step-up. Bulgarian split squat. Lateral lunge (side lunge) Squat jump. 7. Box jump. Does cycling build quads? Cycling improves overall function in your lower body and strengthens your leg muscles without overstressing them. It targets your quads, glutes, hamstrings, and calves. Why do my quads hurt after cycling? Quadriceps (Thigh Muscles) One of the first questions you might ask during a strenuous cycling session...
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What food has 40 grams of carbs?

What food has 40 grams of carbs? Here is your high carb food list to help you!High-Carb Food and Serving SizeCarbohydrates, GramsRegular (non-diet) soda, 1 12-oz. can40White or whole-grain pasta, 1 cup cooked40Banana, 1 medium40Cheese pizza, 1 slice of large35 Is 40g of carbs Low carb? Eating Too Many Carbs While there is no strict definition of a low-carb diet, anything under 100–150 grams per day is generally considered low-carb. This amount is definitely a lot less than the standard Western diet. What can I eat for 30 grams of carbs? These have 30 grams of carbs: 1/2 peanut butter...